{"id":141,"date":"2024-02-06T19:38:52","date_gmt":"2024-02-06T18:38:52","guid":{"rendered":"https:\/\/yb-isn.fr\/2023\/es-spc\/?p=141"},"modified":"2024-02-06T19:38:53","modified_gmt":"2024-02-06T18:38:53","slug":"corrige-activite-rayonnement-solaire","status":"publish","type":"post","link":"https:\/\/yb-isn.fr\/2023\/es-spc\/2024\/02\/06\/corrige-activite-rayonnement-solaire\/","title":{"rendered":"corrig\u00e9 : activit\u00e9 rayonnement solaire"},"content":{"rendered":"<p><!--more--><\/p>\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">avec un tableur<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/2021\/es\/wp-content\/uploads\/2022\/01\/image-1.png\" alt=\"\" class=\"wp-image-444\"\/><\/figure>\n\n\n\n<p class=\"has-cyan-bluish-gray-background-color has-background\">en python<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"python\" data-enlighter-theme=\"godzilla\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import math\nimport matplotlib.pyplot as plt\nfrom scipy import stats\nimport numpy as np\nimport math\n\nT=np.array([3500,4000,4500,5000,6000])\nlonde=np.array([900E-9,800E-9,650E-9,600E-9,500E-9])\n\n#On note invT l'inverse de T : 1\/T\ninvT=1\/T\n\n# regression lin\u00e9aire\nslope, intercept, r_value, p_value, std_error = stats.linregress(invT,londe)\nlondemodel=slope*invT+intercept\n\n#trac\u00e9 du nuage de points\nplt . scatter(invT ,londe,s=100,color ='yellow')\n\n#Trac\u00e9 de la mod\u00e9lisation\nplt . plot (invT,londemodel,marker=\".\",color ='blue',markersize=1)\n\n\nplt . ylabel (\"1\/T avec T en Kelvin   (K)\")\nplt . xlabel (\"longueur d'onde en nm\")\nplt . grid ()\n\n# Affichage du graphique\nplt .show()\n\n#affichage des r\u00e9sultats de la mod\u00e9lisation\nprint(\"a=\",slope)\nprint(\"b=\",intercept)\nprint(\"cofficient de correlation=\",r_value)<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" src=\"http:\/\/yb-isn.fr\/2021\/es\/wp-content\/uploads\/2022\/01\/image-3.png\" alt=\"\" class=\"wp-image-450\"\/><\/figure>\n\n\n\n<p>Le coefficient \u00e9tant tr\u00e8s proche de 1   et b proche de 0 montrent que la relation de lin\u00e9arit\u00e9 entre lambda et 1\/T est valid\u00e9e.<\/p>\n\n\n\n<p>la pente 0.00343 est proche de celle donn\u00e9e par la loi de Wien (0.0029)<\/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":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-141","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/posts\/141"}],"collection":[{"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/comments?post=141"}],"version-history":[{"count":1,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/posts\/141\/revisions"}],"predecessor-version":[{"id":144,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/posts\/141\/revisions\/144"}],"wp:attachment":[{"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/media?parent=141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/categories?post=141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yb-isn.fr\/2023\/es-spc\/wp-json\/wp\/v2\/tags?post=141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}