{"id":124,"date":"2022-03-10T05:39:30","date_gmt":"2022-03-10T05:39:30","guid":{"rendered":"https:\/\/thuyetminh.explorascience.vn\/?p=124"},"modified":"2022-03-10T05:41:45","modified_gmt":"2022-03-10T05:41:45","slug":"mo-hinh-be-cong-tia-sang","status":"publish","type":"post","link":"https:\/\/thuyetminh.explorascience.vn\/?p=124","title":{"rendered":"M\u00f4 h\u00ecnh b\u1ebb cong tia s\u00e1ng"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"124\" class=\"elementor elementor-124\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3414331 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3414331\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-781910e\" data-id=\"781910e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-3056c8f elementor-widget elementor-widget-heading\" data-id=\"3056c8f\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-heading-title{padding:0;margin:0;line-height:1}.elementor-widget-heading .elementor-heading-title[class*=elementor-size-]>a{color:inherit;font-size:inherit;line-height:inherit}.elementor-widget-heading .elementor-heading-title.elementor-size-small{font-size:15px}.elementor-widget-heading .elementor-heading-title.elementor-size-medium{font-size:19px}.elementor-widget-heading .elementor-heading-title.elementor-size-large{font-size:29px}.elementor-widget-heading .elementor-heading-title.elementor-size-xl{font-size:39px}.elementor-widget-heading .elementor-heading-title.elementor-size-xxl{font-size:59px}<\/style><h2 class=\"elementor-heading-title elementor-size-default\">M\u00f4 h\u00ecnh b\u1ebb cong tia s\u00e1ng<\/h2>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-4304911 elementor-widget elementor-widget-wp-widget-media_audio\" data-id=\"4304911\" data-element_type=\"widget\" data-widget_type=\"wp-widget-media_audio.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<audio class=\"wp-audio-shortcode\" id=\"audio-124-1\" preload=\"none\" style=\"width: 100%;\" controls=\"controls\"><source type=\"audio\/mpeg\" src=\"https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021.-Be-cong-tia-sang.mp3?_=1\" \/><source type=\"audio\/mpeg\" src=\"https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021.-Be-cong-tia-sang.mp3?_=1\" \/><a href=\"https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021.-Be-cong-tia-sang.mp3\">https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021.-Be-cong-tia-sang.mp3<\/a><\/audio>\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-955f196 elementor-widget elementor-widget-text-editor\" data-id=\"955f196\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<p>Khi \u00e1nh s\u00e1ng \u0111i t\u1eeb m\u00f4i tr\u01b0\u1eddng chi\u1ebft su\u1ea5t l\u1edbn h\u01a1n sang m\u00f4i tr\u01b0\u1eddng c\u00f3 chi\u1ebft su\u1ea5t nh\u1ecf h\u01a1n v\u00e0 c\u00f3 g\u00f3c t\u1edbi i l\u1edbn h\u01a1n g\u00f3c gi\u1edbi h\u1ea1n i<sub>gh<\/sub> th\u00ec s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n.\u00a0<\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2cbee01 elementor-widget elementor-widget-image\" data-id=\"2cbee01\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.6 - 28-02-2022 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"378\" height=\"198\" src=\"https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021MH12B.png\" class=\"attachment-large size-large\" alt=\"\" srcset=\"https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021MH12B.png 378w, https:\/\/thuyetminh.explorascience.vn\/wp-content\/uploads\/2022\/03\/2021MH12B-300x157.png 300w\" sizes=\"auto, (max-width: 378px) 100vw, 378px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d460306 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d460306\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-47d2d20\" data-id=\"47d2d20\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6b27069 elementor-widget elementor-widget-text-editor\" data-id=\"6b27069\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<p>C\u00f4ng<em> th\u1ee9c x\u00e1c \u0111\u1ecbnh g\u00f3c t\u1edbi gi\u1edbi h\u1ea1n: <strong>sini<sub>gh<\/sub> = n<sub>2<\/sub> \/ n<sub>1<\/sub><\/strong>.<\/em><\/p><p><em>Trong \u0111\u00f3: \u00a0\u00a0 n<sub>2<\/sub> l\u00e0 chi\u1ebft su\u1ea5t c\u1ee7a m\u00f4i tr\u01b0\u1eddng c\u00f3 chi\u1ebft su\u1ea5t nh\u1ecf h\u01a1n, n<sub>2<\/sub> &lt; n<sub>1<\/sub>\u00a0<\/em><\/p><p><em>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 n<sub>1<\/sub> l\u00e0 chi\u1ebft su\u1ea5t c\u1ee7a m\u00f4i tr\u01b0\u1eddng c\u00f3 chi\u1ebft su\u1ea5t l\u1edbn h\u01a1n<\/em><\/p><p>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <em>(<strong>Chi\u1ebft su\u1ea5t<\/strong> l\u00e0 t\u1ec9 s\u1ed1 gi\u1eefa t\u1ed1c \u0111\u1ed9 \u00e1nh s\u00e1ng trong ch\u00e2n kh\u00f4ng v\u00e0 t\u1ed1c \u0111\u1ed9 c\u1ee7a \u00e1nh s\u00e1ng trong m\u00f4i tr\u01b0\u1eddng \u0111ang x\u00e9t, \u0111\u01b0\u1ee3c t\u00ednh theo c\u00f4ng th\u1ee9c n = c \/ v, c = 3.10<sup>8<\/sup> m\/s.)<\/em><\/p><p><em>Tr\u01b0\u1eddng h\u1ee3p n\u00e0y, chi\u1ebft su\u1ea5t c\u1ee7a nh\u1ef1a acrylic l\u00e0<\/em><em> n<sub>1<\/sub> = 1,49 (\u1ee9ng v\u1edbi \u00e1nh s\u00e1ng c\u00f3 b\u01b0\u1edbc s\u00f3ng 590nm)<\/em><em> v\u00e0 kh\u00f4ng kh\u00ed l\u00e0<\/em><em> n<sub>2<\/sub> = 1.<\/em><\/p><p><em>do \u0111\u00f3 g\u00f3c t\u1edbi gi\u1edbi h\u1ea1n l\u00e0<\/em><em> 42,16<sup>0<\/sup> <\/em><em>=&gt;<\/em><em> N\u00ean<\/em><em> lu\u00f4n c\u00f3 ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n trong \u1ed1ng v\u00e0 \u00e1nh s\u00e1ng s\u1ebd truy\u1ec1n to\u00e0n b\u1ed9 \u0111\u1ebfn cu\u1ed1i \u1ed1ng (tr\u1eeb m\u1ea5t m\u00e1t do t\u1ea1p ch\u1ea5t c\u1ee7a v\u1eadt li\u1ec7u c\u1ea5u t\u1ea1o n\u00ean \u1ed1ng)<\/em><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>M\u00f4 h\u00ecnh b\u1ebb cong tia s\u00e1ng Khi \u00e1nh s\u00e1ng \u0111i t\u1eeb m\u00f4i tr\u01b0\u1eddng chi\u1ebft su\u1ea5t l\u1edbn h\u01a1n sang m\u00f4i tr\u01b0\u1eddng c\u00f3 chi\u1ebft su\u1ea5t nh\u1ecf h\u01a1n v\u00e0 c\u00f3 g\u00f3c t\u1edbi i l\u1edbn h\u01a1n g\u00f3c gi\u1edbi h\u1ea1n igh th\u00ec s\u1ebd x\u1ea3y ra hi\u1ec7n t\u01b0\u1ee3ng ph\u1ea3n x\u1ea1 to\u00e0n ph\u1ea7n.\u00a0 C\u00f4ng th\u1ee9c x\u00e1c \u0111\u1ecbnh g\u00f3c t\u1edbi gi\u1edbi h\u1ea1n: sinigh &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/thuyetminh.explorascience.vn\/?p=124\"> <span class=\"screen-reader-text\">M\u00f4 h\u00ecnh b\u1ebb cong tia s\u00e1ng<\/span> Read More &raquo;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-124","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts\/124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=124"}],"version-history":[{"count":8,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions"}],"predecessor-version":[{"id":160,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=\/wp\/v2\/posts\/124\/revisions\/160"}],"wp:attachment":[{"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/thuyetminh.explorascience.vn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}