{"id":29093,"date":"2023-01-21T09:49:20","date_gmt":"2023-01-21T07:49:20","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/?p=29093"},"modified":"2023-01-21T10:04:14","modified_gmt":"2023-01-21T08:04:14","slug":"semaine-17-du-16-01-au-20-01","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-17-du-16-01-au-20-01.html","title":{"rendered":"Semaine 17 : du 16\/01 au 20\/01"},"content":{"rendered":"<div style=\"border: 2px solid; border-radius: 6px; color: #dc143c; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><b><big><span style=\"color: #dc143c;\">Programme de colles de la semaine 18 du 23\/01 au 27\/01<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 3<\/strong> : \u00c9tude de diviseurs du front d&rsquo;onde : les trous d&rsquo;Young et ses g\u00e9n\u00e9ralisations (cours et exercices) \u2192 <a href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O3_plan-2.pdf\">O3_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 4<\/strong> : L&rsquo;interf\u00e9rom\u00e8tre de Michelson (cours et exercices) \u2192 <a href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O4_plan-1.pdf\">O4_plan<\/a><br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 1<\/strong> : Sources du champ \u00e9lectromagn\u00e9tique (cours et exercices sauf sur III.3) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM1_plan-1.pdf\">EM1_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">______<\/span><\/p>\n<p><span style=\"color: #000000;\">Suggestions de questions de cours :<\/span><span style=\"color: #000000;\"><br \/>\n<\/span><\/p>\n<ul>\n<li><span style=\"color: #000000;\">O3 &#8211; Montage des trous d\u2019Young : \u00e9tablir l\u2019expression de la diff\u00e9rence de marche en pr\u00e9cisant les approximations faites. En d\u00e9duire la forme des franges observ\u00e9es sur l&rsquo;\u00e9cran.<br \/>\n<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 &#8211; Montage des trous d\u2019Young : la diff\u00e9rence de marche <span class=\"lang-el\" lang=\"el\">\u03b4<\/span> = a.x\/D \u00e9tant donn\u00e9e, d\u00e9duire : l&rsquo;allure pr\u00e9cise de la figure d&rsquo;interf\u00e9rences (\u00e0 justifier, et faire un sch\u00e9ma) ; l&rsquo;expression de l&rsquo;interfrange ; et le graphe de l&rsquo;\u00e9clairement E(x) sur l&rsquo;\u00e9cran.<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 &#8211; Montage des trous d\u2019Young \u00e9clair\u00e9 par le doublet jaune du sodium : d\u00e9terminer l&rsquo;abscisse x0 de la premi\u00e8re annulation de contraste sur l&rsquo;\u00e9cran. Selon le niveau de l&rsquo;\u00e9l\u00e8ve, on peut demander un raisonnement qualitatif avec le crit\u00e8re \u0394p=1\/2 ; ou un raisonnement exact avec expression de l&rsquo;\u00e9clairement et du contraste (plus difficile).<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 : \u00c9tablir le lien entre longueur de coh\u00e9rence Lc, largeur spectrale \u0394\u03bb, et longueur d&rsquo;onde \u03bb.<\/span><\/li>\n<li><span style=\"color: #000000;\">O4 &#8211; \u00c9tablir l&rsquo;expression de la diff\u00e9rence de marche pour l&rsquo;interf\u00e9rom\u00e8tre de Michelson en configuration lame d&rsquo;air, \u00e9clair\u00e9 par une source spatialement \u00e9tendue.<\/span><\/li>\n<li><span style=\"color: #000000;\">O4 &#8211; R\u00e9sumer dans un tableau, pour les deux configurations de l&rsquo;interf\u00e9rom\u00e8tre de Michelson en lame d&rsquo;air \/ coin d&rsquo;air avec source \u00e9tendue : la <em>d\u00e9finition<\/em> de la configuration, la <em>localisation<\/em> des franges, la m\u00e9thode d&rsquo;<em>\u00e9clairage<\/em> et de <em>projection<\/em>, le <em>nom<\/em> et la <em>nature<\/em> des franges.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM1 &#8211; \u00c9tablir l&rsquo;\u00e9quation de conservation de la charge (\u00e0 1D, en g\u00e9om\u00e9trie cart\u00e9sienne). Citer sa g\u00e9n\u00e9ralisation en g\u00e9om\u00e9trie quelconque, \u00e0 3D.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM1 &#8211; Mod\u00e8le de Drude : citer les hypoth\u00e8ses et d\u00e9montrer, \u00e0 partir du mod\u00e8le, la loi d&rsquo;Ohm locale en explicitant l&rsquo;expression de la conductivit\u00e9.<\/span><\/li>\n<li><span style=\"color: #000000;\">EM1 &#8211; \u00c9tablir l&rsquo;expression de la r\u00e9sistance d&rsquo;une portion de conducteur filiforme.<\/span><\/li>\n<\/ul>\n<p><span style=\"color: #000000;\">______<\/span><\/p>\n<p><span style=\"color: #000000;\">A l&rsquo;attention des \u00e9tudiants :<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; pour mercredi 25\/01 : Lire et comprendre le document sur l&rsquo;effet Hall. EM1 ex 5 et 6.<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #800080; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong><span style=\"color: #800080;\">Travaux pratiques<\/span><br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">TP Fentes d&rsquo;Young et r\u00e9seaux<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #00008b; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong>Cours<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">Optique 4 : L&rsquo;interf\u00e9rom\u00e8tre de Michelson (\u2192 fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">Electromagn\u00e9tisme 1 : Sources du champ \u00e9lectromagn\u00e9tique (\u2192 quasi fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour compl\u00e9ter les chapitres :<\/span><\/p>\n<p>&#8211; particules \u00e9l\u00e9mentaires et interactions fondamentales (\u00e0 partir de 2:05) :<\/p>\n<p><iframe loading=\"lazy\" title=\"[Comment \u00e7a marche ?] Le mod\u00e8le standard\" width=\"593\" height=\"334\" src=\"https:\/\/www.youtube.com\/embed\/cobkYfK9zyg?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #00008b; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><span style=\"font-size: 14pt;\"><strong>Travail \u00e0 faire<br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">Pour mercredi : O4 ex 1, DM<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour jeudi :<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour vendredi : O4 ex 6,7 pb n\u00b02, EM1 ex 2 et 3<br \/>\n<\/span><\/p>\n<\/div>\n<div style=\"border: 2px solid; border-radius: 6px; color: #2e8b57; padding-top: 1px; padding-bottom: 1px; padding-left: 20px; margin: 1px;\">\n<p><b><big><span style=\"color: #2e8b57;\">Travaux dirig\u00e9s<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">TD EM1<br \/>\n<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Programme de colles de la semaine 18 du 23\/01 au 27\/01 &#8211; Optique 3 : \u00c9tude de diviseurs du front d&rsquo;onde : les trous d&rsquo;Young et ses g\u00e9n\u00e9ralisations (cours et exercices) \u2192 O3_plan &#8211; Optique 4 : L&rsquo;interf\u00e9rom\u00e8tre de Michelson&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2223\/semaine-17-du-16-01-au-20-01.html\">Read more &rarr;<\/a><\/p>\n","protected":false},"author":28,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[336],"tags":[],"class_list":["post-29093","post","type-post","status-publish","format-standard","hentry","category-physique-pc-2223"],"_links":{"self":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29093","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/users\/28"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/comments?post=29093"}],"version-history":[{"count":5,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29093\/revisions"}],"predecessor-version":[{"id":29106,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/29093\/revisions\/29106"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=29093"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=29093"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=29093"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}