{"id":24358,"date":"2021-01-23T09:37:06","date_gmt":"2021-01-23T09:37:06","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/?p=24358"},"modified":"2021-01-23T09:37:06","modified_gmt":"2021-01-23T09:37:06","slug":"semaine-17-du-18-01-au-22-01-2","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2021\/semaine-17-du-18-01-au-22-01-2.html","title":{"rendered":"Semaine 17 : du 18\/01 au 22\/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 25\/01 au 29\/01<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 4<\/strong> : L&rsquo;interf\u00e9rom\u00e8tre de Michelson (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O4_plan.pdf\">O4_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 5<\/strong> : Notions sur la diffraction (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O5_plan.pdf\">O5_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>\u00c9lectromagn\u00e9tisme 1<\/strong> : Sources du champ \u00e9lectromagn\u00e9tique (cours et exercices)\u2192 <a style=\"color: #000000;\" href=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/EM1_plan.pdf\">EM1_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">______<\/span><\/p>\n<p><span style=\"color: #000000;\">A l&rsquo;attention des interrogateurs, suggestions de questions de cours :<\/span><\/p>\n<ul>\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 : 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;\">O5 &#8211; D\u00e9finir : le montage de Fraunhofer pour l&rsquo;\u00e9tude d&rsquo;un objet diffractant (une phrase + sch\u00e9ma) ; le plan de Fourier ; la notion de fr\u00e9quence spatiale. Donner la relation entre fr\u00e9quence spatiale de l&rsquo;objet diffractant et l&rsquo;angle de diffraction associ\u00e9. A.N. \u00e9ventuellement<\/span><\/li>\n<li><span style=\"color: #000000;\">O5 &#8211; R\u00e9seau unidimensionnel sinuso\u00efdal dans les conditions de Fraunhofer : d\u00e9crire les observations sur l&rsquo;\u00e9cran. Interpr\u00e9ter qualitativement \u00e0 l&rsquo;aide d&rsquo;un sch\u00e9ma et d&rsquo;une explication sans calcul<span style=\"font-size: 10pt;\"> <em>(Ce qui est attendu : la mise en \u00e9vidence de trois ondes planes, l&rsquo;une associ\u00e9e \u00e0 la valeur moyenne (fr\u00e9quence spatiale sigma nulle) et les deux autres \u00e0 la p\u00e9riodicit\u00e9 spatiale a du coefficient de transmission du r\u00e9seau ; les vecteurs d&rsquo;onde de ces ondes faisant des angles avec l&rsquo;axe optique selon la relation g\u00e9n\u00e9rale sin(theta_n)=lambda*sigma_n valable pour un coef de transmission p\u00e9riodique)<\/em><\/span><\/span><\/li>\n<li><span style=\"color: #000000;\">O5 &#8211; Expliquer \u00e0 l&rsquo;aide de sch\u00e9ma(s) le principe du filtrage optique (d\u00e9tramage \/ strioscopie)<\/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)<\/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.<\/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 le chapitre EM, les exercices \u00e0 savoir faire pour cette semaine de colles sont : ex 1, 2, 3 et 5. Pour mercredi 27\/01 : EM1 : lire et comprendre l&rsquo;approche documentaire sur l&rsquo;effet Hall (refaire les calculs par exemple), et faire l&rsquo;exercice 3 du TD.<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;\">Pas de TP de physique cette semaine<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;\">\u00c9lectromagn\u00e9tisme 1 : Sources du champ magn\u00e9tique (\u2192 fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">\u00c9lectromagn\u00e9tisme 2 : \u00c9lectrostatique (\u2192 I)<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour compl\u00e9ter les chapitres :<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; particules \u00e9l\u00e9mentaires et interactions fondamentales (\u00e0 partir de 2:05) :<\/span><\/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<p>&nbsp;<\/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 5 et pb n\u00b02 ; O5 ex 1 et 2<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour jeudi : O5 ex 3 et 4<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour vendredi : O5 ex 5 et 6<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 25\/01 au 29\/01 &#8211; Optique 4 : L&rsquo;interf\u00e9rom\u00e8tre de Michelson (cours et exercices) \u2192 O4_plan &#8211; Optique 5 : Notions sur la diffraction (cours et exercices) \u2192 O5_plan &#8211; \u00c9lectromagn\u00e9tisme 1 :&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2021\/semaine-17-du-18-01-au-22-01-2.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":[294],"tags":[],"class_list":["post-24358","post","type-post","status-publish","format-standard","hentry","category-physique-pc-2021"],"_links":{"self":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/24358","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=24358"}],"version-history":[{"count":1,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/24358\/revisions"}],"predecessor-version":[{"id":24359,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/24358\/revisions\/24359"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=24358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=24358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=24358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}