{"id":227,"date":"2025-09-21T11:22:13","date_gmt":"2025-09-21T09:22:13","guid":{"rendered":"https:\/\/yb-isn.fr\/2025\/spc\/?p=227"},"modified":"2025-12-09T08:37:39","modified_gmt":"2025-12-09T07:37:39","slug":"227","status":"publish","type":"post","link":"https:\/\/yb-isn.fr\/2025\/spc\/?p=227","title":{"rendered":"8- cours: Ph\u00e9nom\u00e8nes ondulatoires"},"content":{"rendered":"<p><!--more--><\/p>\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-a4fe8f84fee25d847673ad293b698f3f\">1-Introduction<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-88b5b57f\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfac Animation :Introduction aux ondes<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<iframe loading=\"lazy\" src=\"https:\/\/phet.colorado.edu\/sims\/html\/waves-intro\/latest\/waves-intro_fr.html\"\r\n        width=\"800\"\r\n        height=\"600\"\r\n        allowfullscreen>\r\n<\/iframe>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-75c7254b\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfac Animation :Le son est une onde de pression<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<iframe width=550 height=440 src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/790\/?auth=3d60aec59aa35d16e4b3eaa14fa3bc8e\/23383\" frameborder=0><\/iframe>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-d73a864edc2c3b4a6792b15e70d25dad\">2-Les ondes sonores<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-8c3ca469\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83d\udccc 1) Ondes sonores <\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2024\/spc\/wp-content\/uploads\/2024\/09\/ondes-2023-Enregistrement-automatique-1024x709.png\" alt=\"\" class=\"wp-image-281\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive2-1024x709.png\" alt=\"\" class=\"wp-image-388\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive3-1024x709.png\" alt=\"\" class=\"wp-image-389\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-99331480\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfcb\ufe0f Exercice : ondes sonores<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive4-1024x709.png\" alt=\"\" class=\"wp-image-392\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-b54efafd94cc5b9841128ed06fffcb05\">3-La diffraction<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-c7513af8\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfac Animation :Diffraction<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<iframe width=550 height=440 src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/160\/?auth=0ecb23fe918f2225ea66dfa8d94deda1\/23383\" frameborder=0><\/iframe>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-f5ee7751\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83d\udccc 2) Diffraction<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive9-1-1024x709.png\" alt=\"\" class=\"wp-image-405\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/phenomenes-ondulatoires-2023-last-1024x709.png\" alt=\"\" class=\"wp-image-473\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-ac15bacd\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfcb\ufe0f Exercice :diffraction<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive11-1024x709.png\" alt=\"\" class=\"wp-image-408\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Lecture conseill\u00e9e.<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-85e0d8a5\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83e\udd16Histoire des sciences et applications (source chatGPT)<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p>Plusieurs physiciens ont jou\u00e9 un r\u00f4le cl\u00e9 dans le d\u00e9veloppement des connaissances sur le ph\u00e9nom\u00e8ne de diffraction. Voici quelques-uns d&rsquo;entre eux :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Grimaldi (Francesco Maria Grimaldi, 1618-1663)<\/strong> : Grimaldi est souvent cr\u00e9dit\u00e9 pour avoir observ\u00e9 exp\u00e9rimentalement le ph\u00e9nom\u00e8ne de diffraction en \u00e9tudiant la lumi\u00e8re qui passait \u00e0 travers de petits trous.<\/li>\n\n\n\n<li><strong>Huygens (Christiaan Huygens, 1629-1695)<\/strong> : Huygens a formul\u00e9 la th\u00e9orie ondulatoire de la lumi\u00e8re et a propos\u00e9 que chaque point sur un front d&rsquo;onde agit comme une source d&rsquo;ondes sph\u00e9riques. Cela a jet\u00e9 les bases pour la compr\u00e9hension de la diffraction.<\/li>\n\n\n\n<li><strong>Young (Thomas Young, 1773-1829)<\/strong> : Young a r\u00e9alis\u00e9 l&rsquo;exp\u00e9rience c\u00e9l\u00e8bre des fentes d&rsquo;Young, d\u00e9montrant de mani\u00e8re concluante le ph\u00e9nom\u00e8ne de diffraction. Cela a \u00e9t\u00e9 crucial pour \u00e9tablir la nature ondulatoire de la lumi\u00e8re.<\/li>\n\n\n\n<li><strong>Fresnel (Augustin-Jean Fresnel, 1788-1827)<\/strong> : Fresnel a d\u00e9velopp\u00e9 la th\u00e9orie math\u00e9matique de la diffraction, qui a permis d&rsquo;expliquer de nombreux ph\u00e9nom\u00e8nes li\u00e9s \u00e0 la propagation des ondes.<\/li>\n\n\n\n<li><strong>Fraunhofer (Joseph von Fraunhofer, 1787-1826)<\/strong> : Fraunhofer a effectu\u00e9 des exp\u00e9riences pr\u00e9cises sur les motifs de diffraction produits par des ouvertures circulaires et rectangulaires.<\/li>\n\n\n\n<li><strong>Kirchhoff (Gustav Kirchhoff, 1824-1887)<\/strong> : Kirchhoff a formul\u00e9 les lois qui r\u00e9gissent les ph\u00e9nom\u00e8nes d&rsquo;interf\u00e9rence et de diffraction, notamment l&rsquo;int\u00e9gral de Kirchhoff, qui d\u00e9crit la sommation des amplitudes d&rsquo;ondes provenant de diff\u00e9rentes parties d&rsquo;un front d&rsquo;onde.<\/li>\n\n\n\n<li><strong>Rayleigh (John William Strutt, 1842-1919)<\/strong> : Lord Rayleigh a \u00e9tudi\u00e9 la diffraction des ondes sonores et a d\u00e9velopp\u00e9 des th\u00e9ories math\u00e9matiques pour expliquer ces ph\u00e9nom\u00e8nes.<\/li>\n\n\n\n<li><strong>De Broglie (Louis de Broglie, 1892-1987)<\/strong> : De Broglie a propos\u00e9 la dualit\u00e9 onde-particule, montrant que les particules mat\u00e9rielles peuvent \u00e9galement exhiber des comportements ondulatoires, ce qui a ouvert la voie \u00e0 la compr\u00e9hension de la diffraction d&rsquo;\u00e9lectrons.<\/li>\n<\/ol>\n\n\n\n<p>Ces physiciens ont tous jou\u00e9 un r\u00f4le crucial dans le d\u00e9veloppement des connaissances sur le ph\u00e9nom\u00e8ne de diffraction, et leurs travaux continuent d&rsquo;influencer la physique moderne.<\/p>\n\n\n\n<p>Le ph\u00e9nom\u00e8ne de diffraction a de nombreuses applications dans divers domaines scientifiques et technologiques. Voici quelques-unes des applications les plus importantes :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Optique et Laser<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction est fondamentale en optique, notamment dans la compr\u00e9hension des motifs de diffraction produits par des ouvertures circulaires, des fentes et des r\u00e9seaux de diffraction.<\/li>\n\n\n\n<li>Les interf\u00e9rences de diffraction sont utilis\u00e9es pour cr\u00e9er des hologrammes.<\/li>\n\n\n\n<li>Les lasers exploitent les ph\u00e9nom\u00e8nes de diffraction et d&rsquo;interf\u00e9rence pour produire des faisceaux coh\u00e9rents et concentr\u00e9s.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Radiologie et Imagerie M\u00e9dicale<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction est utilis\u00e9e dans la conception de syst\u00e8mes d&rsquo;imagerie m\u00e9dicale tels que les rayons X et la tomographie par \u00e9mission de positrons (TEP).<\/li>\n\n\n\n<li>Les techniques de diffraction peuvent \u00eatre utilis\u00e9es pour \u00e9tudier la structure cristalline de mat\u00e9riaux biologiques.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Microscopie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction est cruciale en microscopie optique, en particulier en microscopie interf\u00e9rentielle et en microscopie \u00e0 fluorescence.<\/li>\n\n\n\n<li>La diffraction des \u00e9lectrons est utilis\u00e9e en microscopie \u00e9lectronique pour obtenir des images \u00e0 tr\u00e8s haute r\u00e9solution.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Spectroscopie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction des rayons X est utilis\u00e9e pour d\u00e9terminer la structure cristalline des mat\u00e9riaux et des mol\u00e9cules.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Acoustique<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction des ondes sonores est utilis\u00e9e pour concevoir des syst\u00e8mes de haut-parleurs, des salles d&rsquo;audition et pour \u00e9tudier la propagation des ondes sonores dans diff\u00e9rents environnements.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>T\u00e9l\u00e9communications<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les antennes utilisent des ph\u00e9nom\u00e8nes de diffraction pour diriger et focaliser les signaux \u00e9lectromagn\u00e9tiques.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Photographie et Cin\u00e9matographie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les objectifs des appareils photo et cam\u00e9ras sont con\u00e7us en tenant compte de la diffraction pour obtenir des images nettes.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Astronomie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En astronomie, la diffraction limite la r\u00e9solution des t\u00e9lescopes. Des techniques d&rsquo;interf\u00e9rom\u00e9trie peuvent \u00eatre utilis\u00e9es pour surmonter cette limite.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>S\u00e9curit\u00e9<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La diffraction est utilis\u00e9e dans les syst\u00e8mes de d\u00e9tection d&rsquo;intrusion et de d\u00e9tection d&rsquo;explosifs en analysant les motifs de diffraction produits par les objets.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Cryptographie Quantique<\/strong> :\n<ul class=\"wp-block-list\">\n<li>La diffraction est utilis\u00e9e dans la cr\u00e9ation de cl\u00e9s de chiffrement quantique en exploitant le comportement des particules subatomiques.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Ces applications d\u00e9montrent l&rsquo;importance fondamentale du ph\u00e9nom\u00e8ne de diffraction dans de nombreux domaines scientifiques et technologiques. Son compr\u00e9hension et son exploitation ont conduit \u00e0 des avanc\u00e9es significatives dans ces domaines.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>3232<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-601938c4aebb938341145af17ebf1313\">4-Les interf\u00e9rences<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-d8df1d71\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfac Animations : interf\u00e9rences<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<iframe width=550 height=440 src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/749\/?auth=f99310746eba612e76d41b416489e666\/23383\" frameborder=0><\/iframe>\n\n\n\n<iframe width=550 height=440 src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/597\/?auth=d3bd4d454fe62aeabb3e625a7dd4dc0f\/23383\" frameborder=0><\/iframe>\n\n\n\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-ac069864\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83d\udccc3) interf\u00e9rences<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive12-1024x709.png\" alt=\"\" class=\"wp-image-420\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive13-1024x709.png\" alt=\"\" class=\"wp-image-421\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive14-1024x709.png\" alt=\"\" class=\"wp-image-422\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83e\uddee d\u00e9monstration de la formule de l&rsquo;interfrange<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/interfrange-1024x709.png\" alt=\"\" class=\"wp-image-476\"\/><\/figure>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-f33c1fec\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83c\udfcb\ufe0f Exercice :Interf\u00e9rences<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2023\/10\/Diapositive15-1024x709.png\" alt=\"\" class=\"wp-image-423\"\/><\/figure>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\"><\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p><\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p>Lecture conseill\u00e9e<\/p>\n\n\n\n<div class=\"wp-block-esab-accordion accordion-1da91759\" data-mode=\"global\"><div class=\"esab__container\">\n<div class=\"wp-block-esab-accordion-child\"><div class=\"esab__head\" role=\"button\" aria-expanded=\"false\"><div class=\"esab__heading_txt\"><p class=\"esab__heading_tag\">\ud83e\udd16Histoire des sciences et applications (source chatGPT)<\/p><\/div><div class=\"esab__icon\"><div class=\"esab__collapse\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m3.5 20.5c-4.7-4.7-4.7-12.3 0-17 4.7-4.7 12.3-4.7 17 0 4.6 4.7 4.6 12.3 0 17-4.7 4.6-12.3 4.6-17 0zm0.9-0.9c4.2 4.2 11 4.2 15.2 0 4.2-4.2 4.2-11 0-15.2-4.2-4.3-11-4.3-15.2 0-4.3 4.2-4.3 11 0 15.2z\"><\/path><path d=\"m11.4 15.9v-3.3h-3.3c-0.3 0-0.6-0.3-0.6-0.6 0-0.4 0.3-0.6 0.6-0.6h3.3v-3.3c0-0.3 0.3-0.6 0.6-0.6 0.3 0 0.6 0.3 0.6 0.6v3.3h3.3c0.3 0 0.6 0.2 0.6 0.6q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2h-3.3v3.3q0 0.2-0.2 0.4-0.2 0.2-0.4 0.2c-0.4 0-0.6-0.3-0.6-0.6z\"><\/path><\/svg> <\/div><div class=\"esab__expand\"> <svg version=\"1.2\" viewBox=\"0 0 24 24\" width=\"24\" height=\"24\"><path fill-rule=\"evenodd\" d=\"m12 24c-6.6 0-12-5.4-12-12 0-6.6 5.4-12 12-12 6.6 0 12 5.4 12 12 0 6.6-5.4 12-12 12zm10.6-12c0-5.9-4.7-10.6-10.6-10.6-5.9 0-10.6 4.7-10.6 10.6 0 5.9 4.7 10.6 10.6 10.6 5.9 0 10.6-4.7 10.6-10.6z\"><\/path><path d=\"m5.6 11.3h12.8v1.4h-12.8z\"><\/path><\/svg> <\/div><\/div><\/div><div class=\"esab__body\">\n<p>Plusieurs physiciens ont jou\u00e9 un r\u00f4le cl\u00e9 dans le d\u00e9veloppement des connaissances sur le ph\u00e9nom\u00e8ne d&rsquo;interf\u00e9rence. Voici quelques-uns d&rsquo;entre eux :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Thomas Young (1773-1829)<\/strong> : Young a r\u00e9alis\u00e9 l&rsquo;exp\u00e9rience c\u00e9l\u00e8bre des fentes d&rsquo;Young, d\u00e9montrant de mani\u00e8re concluante le ph\u00e9nom\u00e8ne d&rsquo;interf\u00e9rence. Cela a \u00e9t\u00e9 crucial pour \u00e9tablir la nature ondulatoire de la lumi\u00e8re.<\/li>\n\n\n\n<li><strong>Augustin-Jean Fresnel (1788-1827)<\/strong> : Fresnel a d\u00e9velopp\u00e9 la th\u00e9orie math\u00e9matique de l&rsquo;interf\u00e9rence, qui a permis d&rsquo;expliquer de nombreux ph\u00e9nom\u00e8nes li\u00e9s \u00e0 la propagation des ondes, y compris l&rsquo;interf\u00e9rence de la lumi\u00e8re.<\/li>\n\n\n\n<li><strong>Gustav Kirchhoff (1824-1887)<\/strong> : Kirchhoff a formul\u00e9 les lois qui r\u00e9gissent les ph\u00e9nom\u00e8nes d&rsquo;interf\u00e9rence et de diffraction, notamment l&rsquo;int\u00e9gral de Kirchhoff, qui d\u00e9crit la sommation des amplitudes d&rsquo;ondes provenant de diff\u00e9rentes parties d&rsquo;un front d&rsquo;onde.<\/li>\n\n\n\n<li><strong>Lord Rayleigh (John William Strutt, 1842-1919)<\/strong> : Rayleigh a \u00e9tudi\u00e9 en profondeur les ph\u00e9nom\u00e8nes d&rsquo;interf\u00e9rence, notamment l&rsquo;interf\u00e9rence des ondes sonores.<\/li>\n\n\n\n<li><strong>Max Planck (1858-1947)<\/strong> : Bien qu&rsquo;il soit plus connu pour ses travaux en physique quantique, Planck a \u00e9galement contribu\u00e9 \u00e0 la th\u00e9orie des interf\u00e9rences.<\/li>\n\n\n\n<li><strong>Albert Michelson (1852-1931) et Edward Morley (1838-1923)<\/strong> : Ils ont men\u00e9 l&rsquo;exp\u00e9rience de Michelson-Morley dans le but de d\u00e9tecter le mouvement de la Terre \u00e0 travers l&rsquo;\u00e9ther lumineux, mais leurs r\u00e9sultats ont eu des implications importantes pour la compr\u00e9hension des interf\u00e9rences dans le contexte de la relativit\u00e9 restreinte.<\/li>\n\n\n\n<li><strong>Charles Fabry (1867-1945) et Alfred Perot (1863-1925)<\/strong> : Ils ont d\u00e9velopp\u00e9 le c\u00e9l\u00e8bre interf\u00e9rom\u00e8tre Fabry-Perot, un instrument utilis\u00e9 pour \u00e9tudier les interf\u00e9rences lumineuses.<\/li>\n\n\n\n<li><strong>Georges Nomarski (1919-1997)<\/strong> : Il a d\u00e9velopp\u00e9 la technique d&rsquo;interf\u00e9rom\u00e9trie diff\u00e9rentielle, qui est largement utilis\u00e9e en microscopie interf\u00e9rentielle.<\/li>\n<\/ol>\n\n\n\n<p>Ces physiciens ont tous jou\u00e9 un r\u00f4le crucial dans le d\u00e9veloppement des connaissances sur le ph\u00e9nom\u00e8ne d&rsquo;interf\u00e9rence, et leurs travaux continuent d&rsquo;influencer la physique moderne.<\/p>\n\n\n\n<p>Le ph\u00e9nom\u00e8ne d&rsquo;interf\u00e9rence a des applications dans divers domaines scientifiques et technologiques. Voici quelques-unes des applications les plus importantes :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Optique<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Holographie<\/strong> : Les hologrammes sont cr\u00e9\u00e9s en utilisant des techniques d&rsquo;interf\u00e9rence pour enregistrer et reproduire l&rsquo;amplitude et la phase de la lumi\u00e8re.<\/li>\n\n\n\n<li><strong>Interf\u00e9rom\u00e9trie<\/strong> : Utilis\u00e9e pour mesurer de petites variations dans les propri\u00e9t\u00e9s de la lumi\u00e8re, comme les d\u00e9formations de surface ou les variations de densit\u00e9 dans les milieux transparents.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Spectroscopie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Spectroscopie interf\u00e9rentielle<\/strong> : Utilis\u00e9e pour obtenir des informations pr\u00e9cises sur les propri\u00e9t\u00e9s de la lumi\u00e8re, comme la composition chimique des \u00e9chantillons.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Microscopie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Microscopie interf\u00e9rentielle<\/strong> : Permet d&rsquo;obtenir des images \u00e0 contraste \u00e9lev\u00e9 et \u00e0 r\u00e9solution submicronique.<\/li>\n\n\n\n<li><strong>Microscopie \u00e0 fluorescence r\u00e9solue spatialement<\/strong> : Exploite l&rsquo;interf\u00e9rence pour am\u00e9liorer la r\u00e9solution en microscopie \u00e0 fluorescence.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>T\u00e9l\u00e9communications<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>T\u00e9l\u00e9communications optiques<\/strong> : Les syst\u00e8mes de communication optique \u00e0 haute vitesse utilisent des techniques d&rsquo;interf\u00e9rence pour multiplexer et d\u00e9multiplexer les signaux.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Analyse de Surface<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Interf\u00e9rom\u00e9trie \u00e0 ondes acoustiques de surface (SAW)<\/strong> : Utilis\u00e9e pour caract\u00e9riser des mat\u00e9riaux et des surfaces \u00e0 l&rsquo;\u00e9chelle nanom\u00e9trique.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Astronomie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Interf\u00e9rom\u00e9trie astronomique<\/strong> : Les t\u00e9lescopes interf\u00e9rom\u00e9triques combinent les signaux de plusieurs t\u00e9lescopes pour augmenter la r\u00e9solution spatiale.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>M\u00e9trologie<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mesure de longueurs<\/strong> : Les interf\u00e9rom\u00e8tres sont utilis\u00e9s pour mesurer des longueurs avec une grande pr\u00e9cision.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Tests Non Destructifs<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Contr\u00f4le qualit\u00e9<\/strong> : L&rsquo;interf\u00e9rom\u00e9trie est utilis\u00e9e pour inspecter des composants et d\u00e9tecter des d\u00e9fauts sans endommager les mat\u00e9riaux.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Cryptographie Quantique<\/strong> :<\/li>\n<\/ol>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Protocoles quantiques de distribution de cl\u00e9s<\/strong> : Exploite les propri\u00e9t\u00e9s quantiques de l&rsquo;interf\u00e9rence pour s\u00e9curiser les communications.<\/li>\n<\/ul>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>G\u00e9ophysique<\/strong> :\n<ul class=\"wp-block-list\">\n<li><strong>Sismologie<\/strong> : L&rsquo;interf\u00e9rom\u00e9trie de sismologie utilise les ondes sismiques pour \u00e9tudier la structure interne de la Terre.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>Ces applications d\u00e9montrent l&rsquo;importance fondamentale du ph\u00e9nom\u00e8ne d&rsquo;interf\u00e9rence dans de nombreux domaines scientifiques et technologiques. \u00ab\u00a0Son\u00a0\u00bb compr\u00e9hension et son exploitation ont conduit \u00e0 des avanc\u00e9es significatives dans ces domaines.<\/p>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n<p><a href=\"https:\/\/phet.colorado.edu\/fr\/simulations\/filter?subjects=sound-and-waves&amp;type=html,prototype\">Vous trouverez sur ce lien d&rsquo;autres animations sur les ondes<\/a><\/p>\n\n\n<p><!--more--><\/p>\n\n\n<p>L&rsquo;effet Doppler a \u00e9t\u00e9 d\u00e9couvert par le physicien autrichien Christian Doppler en 1842. Doppler \u00e9tait un professeur de math\u00e9matiques \u00e0 l&rsquo;Universit\u00e9 de Prague \u00e0 l&rsquo;\u00e9poque. Il a propos\u00e9 sa th\u00e9orie dans un article intitul\u00e9 \u00ab\u00a0\u00dcber das farbige Licht der Doppelsterne\u00a0\u00bb (\u00ab\u00a0Sur la lumi\u00e8re color\u00e9e des \u00e9toiles doubles\u00a0\u00bb).<\/p>\n\n\n\n<p>L&rsquo;effet Doppler d\u00e9crit le changement de fr\u00e9quence apparente d&rsquo;une onde (comme une onde sonore ou lumineuse) lorsqu&rsquo;il y a un mouvement relatif entre la source de l&rsquo;onde et l&rsquo;observateur. Par exemple, lorsque la source et l&rsquo;observateur se rapprochent, la fr\u00e9quence apparente de l&rsquo;onde est plus \u00e9lev\u00e9e que la fr\u00e9quence \u00e9mise (effet Doppler-Fizeau). En revanche, lorsque la source et l&rsquo;observateur s&rsquo;\u00e9loignent, la fr\u00e9quence apparente est plus basse (effet Doppler-Fizeau inverse).<\/p>\n\n\n\n<p>Doppler a d&rsquo;abord appliqu\u00e9 cette th\u00e9orie \u00e0 la lumi\u00e8re des \u00e9toiles doubles, sugg\u00e9rant que le mouvement relatif entre les \u00e9toiles et la Terre pourrait expliquer les variations dans les couleurs observ\u00e9es des \u00e9toiles doubles. Bien que cette premi\u00e8re application de l&rsquo;effet Doppler ait \u00e9t\u00e9 dans le domaine de l&rsquo;astronomie, son principe a depuis \u00e9t\u00e9 \u00e9tendu \u00e0 divers autres domaines, notamment la m\u00e9decine (\u00e9chographie Doppler), la m\u00e9t\u00e9orologie (radar Doppler) et bien d&rsquo;autres encore.<\/p>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-442c9aad752fc334f19fcc7e4f8f2622\">5- L&rsquo;effet Doppler<\/p>\n\n\n\n<figure><iframe loading=\"lazy\" src=\"https:\/\/www.edumedia-sciences.com\/fr\/media\/frame\/183\/?auth=a2e24328d1218b4d7bd27b1612f7408e\/23383\" width=\"300\" height=\"250\"><\/iframe><\/figure>\n\n\n\n<p>L&rsquo;effet Doppler est un changement de fr\u00e9quence de l&rsquo;onde per\u00e7ue  Fp par un observateur lorsque celui-ci et la source de l&rsquo;onde se rapprochent ou s&rsquo;\u00e9loignent l&rsquo;un de l&rsquo;autre.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2023\/spc\/wp-content\/uploads\/2024\/03\/image-4-1024x483.png\" alt=\"\" class=\"wp-image-988\" style=\"width:589px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/spe-physique-2020\/wp-content\/uploads\/2020\/10\/Capture-d\u2019\u00e9cran-2020-10-11-122512-1024x615.png\" alt=\"\" class=\"wp-image-313\" style=\"width:594px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-8ad7b312609441d77808b53f360b3757\">5-1-D\u00e9monstration<\/p>\n\n\n\n<video width=\"320\" height=\"240\" controls>\r\n  <source src=\"https:\/\/yb-isn.fr\/video-spe-phy\/doppler.mp4\" type=\"video\/mp4\">\r\n\r\n<\/video>\n\n\n\n<p><strong>D\u00e9monstration<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/spe-physique-2020\/wp-content\/uploads\/2020\/10\/Capture-d\u2019\u00e9cran-2020-10-11-112331.png\" alt=\"\" class=\"wp-image-306\" style=\"width:594px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/spe-physique-2020\/wp-content\/uploads\/2020\/10\/Capture-d\u2019\u00e9cran-2020-10-11-112354.png\" alt=\"\" class=\"wp-image-305\" style=\"aspect-ratio:1.4093959731543624;width:593px;height:auto\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/spe-physique-2020\/wp-content\/uploads\/2020\/10\/Capture-d\u2019\u00e9cran-2020-10-11-112415.png\" alt=\"\" class=\"wp-image-304\" style=\"width:593px;height:auto\"\/><\/figure>\n\n\n\n<p>On obtient donc en inversant l&rsquo;\u00e9galit\u00e9 pr\u00e9c\u00e9dente :<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/2021\/spc\/wp-content\/uploads\/2022\/04\/image-4.png\" alt=\"\" class=\"wp-image-966\" style=\"width:607px;height:auto\"\/><\/figure>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-5ef58bb7da3025b105e03598fa9fa952\">5-2) Applications<\/p>\n\n\n\n<p>L&rsquo;effet Doppler a de nombreuses applications dans divers domaines scientifiques et technologiques. Voici quelques-uns des domaines d&rsquo;application principaux :<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Astronomie<\/strong>: L&rsquo;effet Doppler est utilis\u00e9 pour \u00e9tudier les mouvements des \u00e9toiles, des galaxies et d&rsquo;autres objets c\u00e9lestes. Il permet de d\u00e9terminer la vitesse radiale des objets astronomiques, c&rsquo;est-\u00e0-dire leur vitesse de d\u00e9placement par rapport \u00e0 la Terre.<\/li>\n\n\n\n<li><strong>M\u00e9t\u00e9orologie<\/strong>: Le radar Doppler est largement utilis\u00e9 pour d\u00e9tecter et suivre les mouvements des pr\u00e9cipitations atmosph\u00e9riques, comme les pluies, les temp\u00eates et les tornades. Il permet \u00e9galement de mesurer la vitesse et la direction du vent.<\/li>\n\n\n\n<li><strong>M\u00e9decine<\/strong>: L&rsquo;\u00e9chographie Doppler est une technique m\u00e9dicale non invasive qui utilise l&rsquo;effet Doppler pour mesurer le flux sanguin dans les vaisseaux sanguins, le c\u0153ur et d&rsquo;autres organes. Cela permet de diagnostiquer diverses conditions m\u00e9dicales, telles que les maladies cardiovasculaires.<\/li>\n\n\n\n<li><strong>T\u00e9l\u00e9d\u00e9tection<\/strong>: L&rsquo;effet Doppler est utilis\u00e9 dans les syst\u00e8mes de t\u00e9l\u00e9d\u00e9tection pour mesurer la vitesse et la direction des objets en mouvement, tels que les avions, les satellites et les v\u00e9hicules spatiaux.<\/li>\n\n\n\n<li><strong>Navigation<\/strong>: Les syst\u00e8mes de navigation utilisent parfois des principes de l&rsquo;effet Doppler pour d\u00e9terminer la vitesse et la direction des v\u00e9hicules, en particulier dans les applications maritimes et a\u00e9ronautiques.<\/li>\n\n\n\n<li><strong>\u00c9clairage routier<\/strong>: Certains syst\u00e8mes d&rsquo;\u00e9clairage routier utilisent des capteurs Doppler pour d\u00e9tecter les v\u00e9hicules en mouvement et ajuster automatiquement l&rsquo;\u00e9clairage en fonction du trafic.<\/li>\n\n\n\n<li><strong>Physique des particules<\/strong>: L&rsquo;effet Doppler est utilis\u00e9 dans la physique des particules pour mesurer l&rsquo;\u00e9nergie et la vitesse des particules subatomiques, telles que les \u00e9lectrons et les protons, dans les acc\u00e9l\u00e9rateurs de particules.<\/li>\n<\/ol>\n\n\n\n<p>Ces applications d\u00e9montrent la polyvalence de l&rsquo;effet Doppler et son importance dans de nombreux domaines de la science et de la technologie.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.cea.fr\/multimedia\/Pages\/videos\/culture-scientifique\/physique-chimie\/effet-doppler.aspx\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.cea.fr\/multimedia\/Pages\/videos\/culture-scientifique\/physique-chimie\/effet-doppler.aspx<\/a><\/p>\n\n\n\n<p class=\"has-black-color has-pale-ocean-gradient-background has-text-color has-background has-link-color wp-elements-113148640ed4d00d602890d0f3eaf33e\">5+3-Exercices<\/p>\n\n\n\n<p>Livre Hatier Page 481<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"https:\/\/yb-isn.fr\/2022\/spc\/wp-content\/uploads\/2023\/04\/image-3.png\" alt=\"\" class=\"wp-image-1132\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"661\" height=\"449\" src=\"https:\/\/yb-isn.fr\/2025\/spc\/wp-content\/uploads\/2025\/09\/image-5.png\" alt=\"\" class=\"wp-image-352\" srcset=\"https:\/\/yb-isn.fr\/2025\/spc\/wp-content\/uploads\/2025\/09\/image-5.png 661w, https:\/\/yb-isn.fr\/2025\/spc\/wp-content\/uploads\/2025\/09\/image-5-300x204.png 300w\" sizes=\"auto, (max-width: 661px) 100vw, 661px\" \/><\/figure>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-227","post","type-post","status-publish","format-standard","hentry","category-cours"],"_links":{"self":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=227"}],"version-history":[{"count":5,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/227\/revisions"}],"predecessor-version":[{"id":353,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=\/wp\/v2\/posts\/227\/revisions\/353"}],"wp:attachment":[{"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yb-isn.fr\/2025\/spc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}