{"id":26826,"date":"2022-01-07T17:48:25","date_gmt":"2022-01-07T17:48:25","guid":{"rendered":"https:\/\/www.cpge-brizeux.fr\/wordpress\/?p=26826"},"modified":"2022-01-07T17:51:13","modified_gmt":"2022-01-07T17:51:13","slug":"semaine-15-du-33-01-au-07-01","status":"publish","type":"post","link":"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2122\/semaine-15-du-33-01-au-07-01.html","title":{"rendered":"semaine 15 du 03\/01 au 07\/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 16 du 10\/01 au 14\/01<br \/>\n<\/span><\/big><\/b><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 1<\/strong> : Mod\u00e8le scalaire des ondes lumineuses (exercices) \u2192 <a style=\"color: #000000;\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O1_plan-1.pdf\">O1_plan<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; <strong>Optique 2<\/strong> : Superposition de deux ondes lumineuses (cours et exercices) \u2192 <a style=\"color: #000000;\" href=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O2_plan.pdf\">O2_plan<\/a><br \/>\n<\/span><\/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=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/O3_plan.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 seulement, une seule question possible, voir ci-dessous) \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;\">______<\/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;\">O2 &#8211; Citer les 3 crit\u00e8res de coh\u00e9rence, et d\u00e9montrer la formule de Fresnel (en complexe ou non) en les supposant valid\u00e9s.<\/span><\/li>\n<li><span style=\"color: #000000;\">O2 &#8211; Interf\u00e9rences \u00e0 N ondes : utiliser la construction de Fresnel pour \u00e9tablir la condition d\u2019interf\u00e9rences constructives et la demi-largeur 2\u03c0\/N des franges brillantes.<\/span><\/li>\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.<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 &#8211; Ajout d&rsquo;une lame sur le trajet d&rsquo;un des rayons : exprimer la diff\u00e9rence d&rsquo;ordre d&rsquo;interf\u00e9rences \u0394p (sans \/ avec la lame), et en d\u00e9duire la modification de la figure d&rsquo;interf\u00e9rences.<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 &#8211; Trous d&rsquo;Young \u00e9clair\u00e9s en lumi\u00e8re blanche : d\u00e9crire et interpr\u00e9ter qualitativement (sch\u00e9mas !) les observations (Voc. \u00e0 utiliser notamment : blanc d&rsquo;ordre 0, teintes de Newton, blanc d&rsquo;ordre sup\u00e9rieur, cannelures, spectre cannel\u00e9)<\/span><\/li>\n<li><span style=\"color: #000000;\">O3 &#8211; Sch\u00e9matiser le montage de Fraunhofer pour 2 trous d&rsquo;Young ; mettre en \u00e9vidence sur le sch\u00e9ma puis exprimer la diff\u00e9rence de marche en fonction soit des angles, soit des positions de la source et du point M sur l&rsquo;\u00e9cran.<\/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<\/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 12\/01 : O4 ex 1 question 2 ; ex 2 et 3.<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 focom\u00e9trie des lentilles minces (2h) + TP mod\u00e9lisation d&rsquo;une lunette astronomique (2h)<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 3 : \u00c9tude de diviseurs du front d&rsquo;onde : les trous d&rsquo;Young et ses g\u00e9n\u00e9ralisations (\u2192 fin)<\/span><\/p>\n<p><span style=\"color: #000000;\">Optique 4 : L&rsquo;interf\u00e9rom\u00e8tre de Michelson (\u2192 II.3)<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour compl\u00e9ter les chapitres :<\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; Brouillage des franges d&rsquo;interf\u00e9rences pour les trous d&rsquo;Young avec deux sources ponctuelles : voir la simulation suivante page 11\/15 (t\u00e9l\u00e9charger d&rsquo;abord le pdf)<\/span><\/p>\n<p><a href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/diapoOPC3-1-201710121649.pdf\">diapoOPC3-1-201710121649<\/a><\/p>\n<p><span style=\"color: #000000;\">&#8211; article de 2016 sur l&rsquo;observation des ondes gravitationnelles issues de la fusion de deux trous noirs (plus pour que vous voyiez la forme de ce type d&rsquo;article : notez qu&rsquo;avec le nombre de contributeurs, c&rsquo;est tr\u00e8s int\u00e9ressant d&rsquo;avoir un nom de famille qui commence par \u00ab\u00a0Abb\u00a0\u00bb&#8230; ; notez sur les graphes le tr\u00e8s bon accord entre les observations et la th\u00e9orie de la relativit\u00e9 g\u00e9n\u00e9rale) : <a style=\"color: #000000;\" href=\"http:\/\/www.cpge-brizeux.fr\/wordpress\/wp-content\/uploads\/PhysRevLett.116.061102.pdf\">PhysRevLett.116.061102<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; \u00e0 mettre en lien avec la simulation suivante (35 s) :<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"Two Black Holes Merge into One\" width=\"593\" height=\"334\" src=\"https:\/\/www.youtube.com\/embed\/I_88S8DWbcU?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><span style=\"color: #000000;\">&#8211; conf\u00e9rence de presse (1h11min) \u00e0 l&rsquo;annonce de cette d\u00e9couverte extraordinaire. Notez la grande \u00e9motion de l&rsquo;astrophysicienne France Cordova \u00e0 0:00, puis du physicien th\u00e9oricien Kip Thorne qui a travaill\u00e9 pendant 30 ans sur ce projet (31:08). L&rsquo;annonce se fait 4:00. Des explications scientifiques sont distill\u00e9es dans le reste de la conf\u00e9rence de presse.<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"[LIVE] FIRST Gravitational Waves Detected | LIGO (Laser Interferometer Gravitational Observatory)\" width=\"593\" height=\"334\" src=\"https:\/\/www.youtube.com\/embed\/aEPIwEJmZyE?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><span style=\"color: #000000;\">&#8211; version vulgaris\u00e9e en 9 min :<\/span><\/p>\n<p><iframe loading=\"lazy\" title=\"The Absurdity of Detecting Gravitational Waves\" width=\"593\" height=\"334\" src=\"https:\/\/www.youtube.com\/embed\/iphcyNWFD10?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><span style=\"color: #000000;\">&#8211; Simulation de l&rsquo;interf\u00e9rom\u00e8tre de Michelson :<\/span><\/p>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/optiondu\/michelson.html\">http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/optiondu\/michelson.html<\/a><\/span><\/p>\n<p><span style=\"color: #000000;\">&#8211; de mani\u00e8re g\u00e9n\u00e9rale, on conseille vivement les simulations d&rsquo;optique de ce site :<\/span><\/p>\n<p><span style=\"color: #000000;\"><a style=\"color: #000000;\" href=\"http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/\">http:\/\/ressources.univ-lemans.fr\/AccesLibre\/UM\/Pedago\/physique\/02\/<\/a><\/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>Travail \u00e0 faire<br \/>\n<\/strong><\/span><\/p>\n<p><span style=\"color: #000000;\">Pour mercredi : (DM \u00e0 rendre en fin de semaine)<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour jeudi : O3 ex 4 \u00e0 finir, ex 5<br \/>\n<\/span><\/p>\n<p><span style=\"color: #000000;\">Pour vendredi : O3 ex 6 finir le 8<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 O3<\/span><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Programme de colles de la semaine 16 du 10\/01 au 14\/01 &#8211; Optique 1 : Mod\u00e8le scalaire des ondes lumineuses (exercices) \u2192 O1_plan &#8211; Optique 2 : Superposition de deux ondes lumineuses (cours et exercices) \u2192 O2_plan &#8211; Optique 3&hellip;<\/p>\n<p class=\"more-link-p\"><a class=\"more-link\" href=\"https:\/\/www.cpge-brizeux.fr\/wordpress\/pc\/physique-pc-2122\/semaine-15-du-33-01-au-07-01.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":[318],"tags":[],"class_list":["post-26826","post","type-post","status-publish","format-standard","hentry","category-physique-pc-2122"],"_links":{"self":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/26826","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=26826"}],"version-history":[{"count":3,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/26826\/revisions"}],"predecessor-version":[{"id":26829,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/posts\/26826\/revisions\/26829"}],"wp:attachment":[{"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/media?parent=26826"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/categories?post=26826"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cpge-brizeux.fr\/wordpress\/wp-json\/wp\/v2\/tags?post=26826"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}