{"id":310,"date":"2023-06-22T00:28:43","date_gmt":"2023-06-22T00:28:43","guid":{"rendered":"https:\/\/physigeek.com\/id\/reflektansi\/"},"modified":"2023-06-22T00:28:43","modified_gmt":"2023-06-22T00:28:43","slug":"reflektansi","status":"publish","type":"post","link":"https:\/\/physigeek.com\/id\/reflektansi\/","title":{"rendered":"Reflektansi"},"content":{"rendered":"<p>Artikel ini menjelaskan apa itu reflektansi dalam fisika. Jadi Anda akan menemukan arti reflektansi, cara penghitungannya, dan hubungannya dengan konsep fisika lainnya. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-reflectancia\"><\/span> Apa itu reflektansi?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Dalam fisika, <strong>reflektansi<\/strong> adalah pengukuran yang menunjukkan proporsi radiasi elektromagnetik yang dipantulkan. Dengan kata lain, reflektansi adalah kuantitas fisik yang digunakan untuk membandingkan radiasi elektromagnetik yang terjadi pada suatu permukaan dengan radiasi yang dipantulkannya.<\/p>\n<p> Misalnya, jika suatu permukaan bahan tertentu memiliki reflektansi 0,65, ini berarti 65% cahaya yang jatuh pada permukaan tersebut akan dipantulkan.<\/p>\n<p> Yang kami maksud dengan radiasi pantulan adalah radiasi elektromagnetik yang tidak diserap atau melewati permukaan, melainkan \u201cdipantulkan\u201d ke luar. Jadi, pada pemantulan, cahaya berubah arah dan berlanjut pada medium yang sama.<\/p>\n<p> Logikanya, indeks reflektansi bergantung pada karakteristik masing-masing bahan, karena ada zat yang mampu memantulkan cahaya lebih banyak dibandingkan zat lain. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-la-reflectancia\"><\/span> rumus reflektansi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Reflektansi sama dengan jumlah radiasi elektromagnetik yang dipantulkan oleh sampel yang dianalisis dibagi dengan jumlah radiasi elektromagnetik yang mengenai sampel.<\/p>\n<p> Oleh karena itu, <strong>rumus reflektansinya<\/strong> adalah:<\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7dff11ac55c064b0691c1f89b57eae33_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\rho=\\frac{I_1}{I_0}\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"51\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<p style=\"margin-bottom:5px\"> Emas: <\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-e8e197a6f1572ae9b5a16039ea626388_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\rho\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> adalah reflektansi. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-4e71d6c87c1a3adae26de81b7ac822db_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"I_1\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"14\" style=\"vertical-align: -3px;\"><\/p>\n<p> adalah radiasi elektromagnetik yang dipantulkan. <\/span><\/li>\n<li style=\"margin-bottom:5px\"><span style=\"color:#101010;font-weight: normal;\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-a388cb824462284238cced83860611ce_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"I_0\" title=\"Rendered by QuickLaTeX.com\" height=\"15\" width=\"15\" style=\"vertical-align: -3px;\"><\/p>\n<p> adalah radiasi elektromagnetik yang masuk.<\/span><\/li>\n<\/ul>\n<p> Reflektansi juga dapat dinyatakan dalam persentase, dalam hal ini ekspresi tersebut harus dikalikan dengan seratus: <\/p>\n<p class=\"has-text-align-center\">\n<p class=\"has-text-align-center\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-f88de4e88230cfbfb597d75b19d15be9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle \\rho (\\%)=\\frac{I_1}{I_0}\\cdot 100\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"121\" style=\"vertical-align: -15px;\"><\/p>\n<\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflectancia-y-transmitancia\"><\/span> Reflektansi dan transmisi<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Selanjutnya, kita akan melihat apa saja konsep fisika terkait lainnya. Pertama kita akan melihat apa perbedaan antara reflektansi dan transmisi dan di bawah ini perbedaan antara reflektansi dan serapan.<\/p>\n<p> <strong>Transmisi<\/strong> adalah pengukuran yang menunjukkan jumlah cahaya yang melewati suatu benda selama periode waktu tertentu. Dengan kata lain, transmisi adalah kuantitas fisik yang menyatakan cahaya yang tidak diserap atau dipantulkan oleh suatu benda, namun melewatinya.<\/p>\n<p> Oleh karena itu, <strong>perbedaan antara reflektansi dan transmitansi<\/strong> adalah reflektansi mengukur proporsi cahaya yang dipantulkan oleh suatu permukaan, sedangkan transmitansi mengukur proporsi cahaya yang melewati suatu permukaan. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Lihat:<\/strong> <a href=\"https:\/\/physigeek.com\/id\/transmisi\/\">Transmisi<\/a> <\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Reflectancia-y-absorbancia\"><\/span> Refleksi dan serapan<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Terakhir, kita akan melihat perbedaan reflektansi dan serapan dalam fisika, karena keduanya adalah konsep optik fisik yang berkaitan dengan insiden cahaya pada suatu permukaan.<\/p>\n<p> <strong>Absorbansi<\/strong> adalah pengukuran yang menunjukkan proporsi cahaya yang diserap. Dengan kata lain, serapan adalah besaran yang membandingkan jumlah cahaya yang jatuh pada suatu zat dengan jumlah cahaya yang diserapnya.<\/p>\n<p> Oleh karena itu, <strong>perbedaan antara reflektansi dan serapan<\/strong> adalah fraksi cahaya yang diukur. Reflektansi adalah perbandingan cahaya datang dengan cahaya yang dipantulkan, sedangkan serapan adalah perbandingan cahaya datang dengan cahaya yang diserap. <\/p>\n<div style=\"background-color:#FFFDE7; padding-top: 10px; padding-bottom: 10px; padding-right: 10px; padding-left: 20px; border: 2.5px dashed #FFB74D; border-radius:20px;\"> <span style=\"color:#ff951b\">\u27a4<\/span> <strong>Lihat:<\/strong> <a href=\"https:\/\/physigeek.com\/id\/daya-serap\/\">Absorbansi<\/a><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Artikel ini menjelaskan apa itu reflektansi dalam fisika. Jadi Anda akan menemukan arti reflektansi, cara penghitungannya, dan hubungannya dengan konsep fisika lainnya. Apa itu reflektansi? Dalam fisika, reflektansi adalah pengukuran yang menunjukkan proporsi radiasi elektromagnetik yang dipantulkan. Dengan kata lain, reflektansi adalah kuantitas fisik yang digunakan untuk membandingkan radiasi elektromagnetik yang terjadi pada suatu permukaan &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/id\/reflektansi\/\"> <span class=\"screen-reader-text\">Reflektansi<\/span> Baca selengkapnya &quot;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","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":"","astra-migrate-meta-layouts":"","footnotes":""},"categories":[13],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 Apa itu reflektansi?<\/title>\n<meta name=\"description\" content=\"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/physigeek.com\/id\/reflektansi\/\" \/>\n<meta property=\"og:locale\" content=\"id_ID\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u25b7 Apa itu reflektansi?\" \/>\n<meta property=\"og:description\" content=\"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/physigeek.com\/id\/reflektansi\/\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-22T00:28:43+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7dff11ac55c064b0691c1f89b57eae33_l3.png\" \/>\n<meta name=\"author\" content=\"Jonathan Reynolds\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Jonathan Reynolds\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 menit\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/\"},\"author\":{\"name\":\"Jonathan Reynolds\",\"@id\":\"https:\/\/physigeek.com\/id\/#\/schema\/person\/8c80a7450271cac823c1fce889f781ae\"},\"headline\":\"Reflektansi\",\"datePublished\":\"2023-06-22T00:28:43+00:00\",\"dateModified\":\"2023-06-22T00:28:43+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/\"},\"wordCount\":371,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/physigeek.com\/id\/#organization\"},\"articleSection\":[\"Optik\"],\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/physigeek.com\/id\/reflektansi\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/\",\"url\":\"https:\/\/physigeek.com\/id\/reflektansi\/\",\"name\":\"\u25b7 Apa itu reflektansi?\",\"isPartOf\":{\"@id\":\"https:\/\/physigeek.com\/id\/#website\"},\"datePublished\":\"2023-06-22T00:28:43+00:00\",\"dateModified\":\"2023-06-22T00:28:43+00:00\",\"description\":\"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.\",\"breadcrumb\":{\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/#breadcrumb\"},\"inLanguage\":\"id\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/physigeek.com\/id\/reflektansi\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/physigeek.com\/id\/reflektansi\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Rumah\",\"item\":\"https:\/\/physigeek.com\/id\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Reflektansi\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/physigeek.com\/id\/#website\",\"url\":\"https:\/\/physigeek.com\/id\/\",\"name\":\"Physigeek\",\"description\":\"Pelajari fisika dengan cara mudah!\",\"publisher\":{\"@id\":\"https:\/\/physigeek.com\/id\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/physigeek.com\/id\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"id\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/physigeek.com\/id\/#organization\",\"name\":\"Physigeek\",\"url\":\"https:\/\/physigeek.com\/id\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/physigeek.com\/id\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/physigeek-logo.png\",\"contentUrl\":\"https:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/physigeek-logo.png\",\"width\":180,\"height\":42,\"caption\":\"Physigeek\"},\"image\":{\"@id\":\"https:\/\/physigeek.com\/id\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/physigeek.com\/id\/#\/schema\/person\/8c80a7450271cac823c1fce889f781ae\",\"name\":\"Jonathan Reynolds\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"id\",\"@id\":\"https:\/\/physigeek.com\/id\/#\/schema\/person\/image\/\",\"url\":\"http:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/Jonathan-Reynolds-96x96.jpg\",\"contentUrl\":\"http:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/Jonathan-Reynolds-96x96.jpg\",\"caption\":\"Jonathan Reynolds\"},\"sameAs\":[\"http:\/\/physigeek.com\/id\"],\"url\":\"https:\/\/physigeek.com\/id\/author\/ind0n35inphys1c\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u25b7 Apa itu reflektansi?","description":"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/physigeek.com\/id\/reflektansi\/","og_locale":"id_ID","og_type":"article","og_title":"\u25b7 Apa itu reflektansi?","og_description":"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.","og_url":"https:\/\/physigeek.com\/id\/reflektansi\/","article_published_time":"2023-06-22T00:28:43+00:00","og_image":[{"url":"https:\/\/physigeek.com\/wp-content\/ql-cache\/quicklatex.com-7dff11ac55c064b0691c1f89b57eae33_l3.png"}],"author":"Jonathan Reynolds","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Jonathan Reynolds","Est. reading time":"2 menit"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/physigeek.com\/id\/reflektansi\/#article","isPartOf":{"@id":"https:\/\/physigeek.com\/id\/reflektansi\/"},"author":{"name":"Jonathan Reynolds","@id":"https:\/\/physigeek.com\/id\/#\/schema\/person\/8c80a7450271cac823c1fce889f781ae"},"headline":"Reflektansi","datePublished":"2023-06-22T00:28:43+00:00","dateModified":"2023-06-22T00:28:43+00:00","mainEntityOfPage":{"@id":"https:\/\/physigeek.com\/id\/reflektansi\/"},"wordCount":371,"commentCount":0,"publisher":{"@id":"https:\/\/physigeek.com\/id\/#organization"},"articleSection":["Optik"],"inLanguage":"id","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/physigeek.com\/id\/reflektansi\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/physigeek.com\/id\/reflektansi\/","url":"https:\/\/physigeek.com\/id\/reflektansi\/","name":"\u25b7 Apa itu reflektansi?","isPartOf":{"@id":"https:\/\/physigeek.com\/id\/#website"},"datePublished":"2023-06-22T00:28:43+00:00","dateModified":"2023-06-22T00:28:43+00:00","description":"Di sini Anda akan mempelajari apa itu reflektansi dalam fisika, cara menghitung reflektansi (rumus) dan hubungannya dengan konsep fisika lainnya.","breadcrumb":{"@id":"https:\/\/physigeek.com\/id\/reflektansi\/#breadcrumb"},"inLanguage":"id","potentialAction":[{"@type":"ReadAction","target":["https:\/\/physigeek.com\/id\/reflektansi\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/physigeek.com\/id\/reflektansi\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Rumah","item":"https:\/\/physigeek.com\/id\/"},{"@type":"ListItem","position":2,"name":"Reflektansi"}]},{"@type":"WebSite","@id":"https:\/\/physigeek.com\/id\/#website","url":"https:\/\/physigeek.com\/id\/","name":"Physigeek","description":"Pelajari fisika dengan cara mudah!","publisher":{"@id":"https:\/\/physigeek.com\/id\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/physigeek.com\/id\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"id"},{"@type":"Organization","@id":"https:\/\/physigeek.com\/id\/#organization","name":"Physigeek","url":"https:\/\/physigeek.com\/id\/","logo":{"@type":"ImageObject","inLanguage":"id","@id":"https:\/\/physigeek.com\/id\/#\/schema\/logo\/image\/","url":"https:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/physigeek-logo.png","contentUrl":"https:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/physigeek-logo.png","width":180,"height":42,"caption":"Physigeek"},"image":{"@id":"https:\/\/physigeek.com\/id\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/physigeek.com\/id\/#\/schema\/person\/8c80a7450271cac823c1fce889f781ae","name":"Jonathan Reynolds","image":{"@type":"ImageObject","inLanguage":"id","@id":"https:\/\/physigeek.com\/id\/#\/schema\/person\/image\/","url":"http:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/Jonathan-Reynolds-96x96.jpg","contentUrl":"http:\/\/physigeek.com\/id\/wp-content\/uploads\/2023\/10\/Jonathan-Reynolds-96x96.jpg","caption":"Jonathan Reynolds"},"sameAs":["http:\/\/physigeek.com\/id"],"url":"https:\/\/physigeek.com\/id\/author\/ind0n35inphys1c\/"}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/posts\/310"}],"collection":[{"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/comments?post=310"}],"version-history":[{"count":0,"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/posts\/310\/revisions"}],"wp:attachment":[{"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/media?parent=310"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/categories?post=310"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/physigeek.com\/id\/wp-json\/wp\/v2\/tags?post=310"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}