{"id":10507,"date":"2018-02-07T12:00:00","date_gmt":"2018-02-07T05:00:00","guid":{"rendered":"https:\/\/example.com\/?p=10507"},"modified":"2023-12-12T12:08:00","modified_gmt":"2023-12-12T05:08:00","slug":"pengertian-dan-rumus-efek-doppler","status":"publish","type":"post","link":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler","title":{"rendered":"Efek Doppler: Pengertian, Rumus &#038; Contoh Soal | Fisika Kelas 11"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg\" alt=\"Fisika_11.jpg\" style=\"display: block; margin-left: auto; margin-right: auto;\"><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\">Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar berbeda dengan bunyi sirinenya <em>lho<\/em>. Mengapa demikian? Hal ini karena perbedaan frekuensi yang didengar dan yang dihasilkan. Keadaan ini biasa disebut efek Doppler. Apakah itu? Bagaimana pengertian dan rumus efek Doppler? Simak penjelasan berikut <em>yuk<\/em>! <br \/><\/span><\/p>\n<p><!--more--><\/p>\n<p style=\"text-align: justify;\">Efek Doppler ditemukan oleh ilmuwan fisika asal Austria yang bernama Christian Johanm Doppler. Efek Doppler menjelaskan fenomena yang berkaitan dengan pergerakan sumber bunyi terhadap pendengar yang relatif satu sama lain dan menyebabkan frekuensi yang didengar berbeda dari frekuensi yang dihasilkan sumber bunyi.<\/p>\n<p style=\"text-align: justify;\">Misalnya, ketika sebuah ambulans&nbsp;yang membunyikan sirinenya bergerak mendekati seseorang yang sedang berdiri di bahu jalan, maka bunyi yang akan terdengar makin tinggi. Ketika ambulans tersebut bergerak menjauh maka bunyi sirine yang terdengar akan semakin mengecil.<\/p>\n<h2 style=\"text-align: justify; font-size: 20px;\"><strong>Efek Doppler dirumuskan sebagai berikut:<\/strong><\/h2>\n<div><img decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/rumus%20efek%20doppler.png\" alt=\"rumus efek doppler\" width=\"600\" style=\"width: 600px; display: block; margin: 0px auto;\"><\/div>\n<p>&nbsp;<\/p>\n<p style=\"text-align: justify;\">Dalam rumus efek Doppler ada beberapa perjanjian tanda <em>nih <\/em>Squad.<\/p>\n<p style=\"text-align: justify;\">v<sub>s<\/sub> bernilai positif (+) jika sumber bunyi menjauhi pendengar.<\/p>\n<p style=\"text-align: justify;\">v<sub>s<\/sub> bernilai negatif (-) jika sumber bunyi mendekati pendengar.<\/p>\n<p style=\"text-align: justify;\">v<sub>p<\/sub> bernilai positif (+) jika pendengar mendekati sumber bunyi.<\/p>\n<p style=\"text-align: justify;\">v<sub>p<\/sub> bernilai negatif (-) jika pendengar menjauhi sumber bunyi.<\/p>\n<p style=\"text-align: justify;\">&nbsp;<\/p>\n<p style=\"text-align: justify;\">Agar lebih mudah dalam mengingat tanda perhatikan ilustrasi berikut:<\/p>\n<div><img decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/efek%20doppler.png\" alt=\"efek doppler\" style=\"width: 640px; display: block; margin-left: auto; margin-right: auto;\" title=\"efek doppler\" caption=\"false\" data-constrained=\"true\" width=\"640\"><\/div>\n<div>&nbsp;<\/div>\n<div style=\"text-align: justify;\"><strong>Baca Juga: <a href=\"https:\/\/blog.ruangguru.com\/apa-bedanya-tegangan-dan-regangan\">Apa Bedanya Tegangan dan Regangan?<\/a><\/strong><\/div>\n<div style=\"text-align: justify;\">&nbsp;<\/div>\n<p style=\"text-align: justify;\">Setelah kamu mengetahui rumus efek Doppler di atas, sekarang kita kerjakan contoh soal ini <em>yuk<\/em>!<\/p>\n<p style=\"text-align: justify;\"><span style=\"background-color: transparent;\">1. Sebuah kereta api bergerak dengan kecepatan 72 km\/jam mendekati stasiun sambil membunyikan peluit yang berfrekuensi 940 Hz. Kecepatan bunyi di udara 340 m\/s. Bunyi yang didengar oleh orang yang beada di stasiun berfrekuensi\u2026<\/span><\/p>\n<p style=\"text-align: justify;\"><strong>Diketahui:<\/strong><\/p>\n<p style=\"text-align: justify;\">v<sub>s<\/sub> = 72 km\/jam = 20 m\/s (sumber bunyi mendekati pendengar (-))<\/p>\n<p style=\"text-align: justify;\">v<sub>p<\/sub> = 0 m\/s (pendengar diam)<\/p>\n<p style=\"text-align: justify;\">f<sub>s<\/sub> = 940 Hz<\/p>\n<p style=\"text-align: justify;\">v = 340 m\/s<\/p>\n<p style=\"text-align: justify;\"><strong>Ditanya: <\/strong>fp?<\/p>\n<p style=\"text-align: justify;\"><strong>Jawab:<\/strong><\/p>\n<div style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/jawaban%20rumus%20efek%20doppler.jpg\" alt=\"jawaban rumus efek doppler\" width=\"437\" style=\"width: 437px;\"><\/div>\n<div style=\"text-align: justify;\">&nbsp;<\/div>\n<div style=\"text-align: justify;\"><span style=\"background-color: transparent;\">2. Sumber bunyi memancarkan bunyi dengan frekuensi 500 Hz saling mendekat dengan pendengar. Kecepatan sumber bunyi 40 m\/s dan kecepatan pendengar 50 m\/s. Jika kecepatan bunyi di udara adalah 340 m\/s, frekuensi bunyi yang didengar oleh pendengar adalah\u2026<\/span><\/div>\n<p style=\"text-align: justify;\"><strong>Diketahui<\/strong>:<\/p>\n<p style=\"text-align: justify;\">f<sub>s<\/sub> = 500 Hz<\/p>\n<p style=\"text-align: justify;\">v<sub>s<\/sub> = 40 m\/s (sumber bunyi mendekati pendengar (-))<\/p>\n<p style=\"text-align: justify;\">v<sub>p<\/sub> = 50 m\/s (pendengar mendekati sumber bunyi (+))<\/p>\n<p style=\"text-align: justify;\">v = 340 m\/s<\/p>\n<p style=\"text-align: justify;\"><strong>Ditanya: <\/strong>f<sub>p<\/sub> ?<\/p>\n<p style=\"text-align: justify;\"><strong>Jawab:<\/strong><\/p>\n<div style=\"text-align: justify;\"><img decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/jawaban%20rumus%20efek%20doppler%202.jpg\" alt=\"jawaban rumus efek doppler 2\" width=\"418\" style=\"width: 418px;\">&nbsp;<\/div>\n<p style=\"text-align: justify;\">Oke Squad, sekarang sudah lebih paham <em>kan<\/em> pengertian dan cara mengerjakan soal yang berhubungan dengan rumus efek Doppler? Kamu bisa pelajari materi-materi lain melalui video animasi lengkap dengan contoh, pembahasan soal dan rangkuman di <a href=\"https:\/\/ruangguru.com\/belajar?utm_medium=referral&amp;utm_source=blog&amp;utm_campaign=Pengertian-dan-Rumus-Efek-Doppler\" target=\"_blank\" rel=\"noopener\"><strong>ruangbelajar<\/strong><\/a>. Gunakan sekarang <em>kuy<\/em>!<\/p>\n<p><a href=\"https:\/\/link.ruangguru.com\/blPk\/eaff0eb9\" target=\"_blank\" style=\"text-align: center;\" class=\"rg-cta\" rel=\"noopener\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/cta\/0ec4a2df-db2e-4ae1-8473-692756dcb684.jpeg\" width=\"822\" height=\"200\" alt=\"IDN CTA Blog ruangbelajar Ruangguru\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar berbeda dengan bunyi sirinenya lho. Mengapa demikian? Hal ini karena perbedaan frekuensi yang didengar dan yang dihasilkan. Keadaan ini biasa disebut efek Doppler. Apakah itu? Bagaimana pengertian dan rumus efek Doppler? Simak penjelasan berikut [&hellip;]<\/p>\n","protected":false},"author":79,"featured_media":10507,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_knawatfibu_url":["https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg"],"_edit_last":["1"],"_edit_lock":["1702357680:1"]},"categories":[513,518],"tags":[127,76,10,37],"class_list":["post-10507","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-fisika","category-fisika-sma-kelas-11","tag-fisika-xi","tag-kelas-12","tag-konsep-pelajaran","tag-sma"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Efek Doppler: Pengertian, Rumus &amp; Contoh Soal | Fisika Kelas 11<\/title>\n<meta name=\"description\" content=\"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Efek Doppler: Pengertian, Rumus &amp; Contoh Soal | Fisika Kelas 11\" \/>\n<meta property=\"og:description\" content=\"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler\" \/>\n<meta property=\"og:site_name\" content=\"Belajar Gratis di Rumah Kapan Pun! | Blog Ruangguru\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/ruanggurucom\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-02-07T05:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-12T05:08:00+00:00\" \/>\n<meta name=\"author\" content=\"Karina Dwi Adistiana\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ruangguru\" \/>\n<meta name=\"twitter:site\" content=\"@ruangguru\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Karina Dwi Adistiana\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler\",\"url\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler\",\"name\":\"Efek Doppler: Pengertian, Rumus & Contoh Soal | Fisika Kelas 11\",\"isPartOf\":{\"@id\":\"https:\/\/www.ruangguru.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage\"},\"thumbnailUrl\":\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg\",\"datePublished\":\"2018-02-07T05:00:00+00:00\",\"dateModified\":\"2023-12-12T05:08:00+00:00\",\"author\":{\"@id\":\"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/cbb994500f3fdab3dc0733faa2e966ea\"},\"description\":\"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar\",\"breadcrumb\":{\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage\",\"url\":\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg\",\"contentUrl\":\"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.ruangguru.com\/blog\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Efek Doppler: Pengertian, Rumus &#038; Contoh Soal | Fisika Kelas 11\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/#website\",\"url\":\"https:\/\/www.ruangguru.com\/blog\/\",\"name\":\"Ruangguru Blog\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.ruangguru.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/cbb994500f3fdab3dc0733faa2e966ea\",\"name\":\"Karina Dwi Adistiana\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g\",\"caption\":\"Karina Dwi Adistiana\"},\"url\":\"https:\/\/www.ruangguru.com\/blog\/author\/karina-dwi-adistiana\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Efek Doppler: Pengertian, Rumus & Contoh Soal | Fisika Kelas 11","description":"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar","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:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler","og_locale":"en_US","og_type":"article","og_title":"Efek Doppler: Pengertian, Rumus & Contoh Soal | Fisika Kelas 11","og_description":"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar","og_url":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler","og_site_name":"Belajar Gratis di Rumah Kapan Pun! | Blog Ruangguru","article_publisher":"https:\/\/www.facebook.com\/ruanggurucom\/","article_published_time":"2018-02-07T05:00:00+00:00","article_modified_time":"2023-12-12T05:08:00+00:00","author":"Karina Dwi Adistiana","twitter_card":"summary_large_image","twitter_creator":"@ruangguru","twitter_site":"@ruangguru","twitter_misc":{"Written by":"Karina Dwi Adistiana","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler","url":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler","name":"Efek Doppler: Pengertian, Rumus & Contoh Soal | Fisika Kelas 11","isPartOf":{"@id":"https:\/\/www.ruangguru.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage"},"image":{"@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage"},"thumbnailUrl":"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg","datePublished":"2018-02-07T05:00:00+00:00","dateModified":"2023-12-12T05:08:00+00:00","author":{"@id":"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/cbb994500f3fdab3dc0733faa2e966ea"},"description":"Squad, pernahkah kamu perhatikan ketika ada ambulans datang dari kejauhan bunyi sirinenya sudah terdengar oleh kita? Ternyata bunyi yang kita dengar","breadcrumb":{"@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#primaryimage","url":"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg","contentUrl":"https:\/\/cdn-web.ruangguru.com\/landing-pages\/assets\/hs\/Header%20blog%20RG\/Fisika_11.jpg"},{"@type":"BreadcrumbList","@id":"https:\/\/www.ruangguru.com\/blog\/pengertian-dan-rumus-efek-doppler#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.ruangguru.com\/blog"},{"@type":"ListItem","position":2,"name":"Efek Doppler: Pengertian, Rumus &#038; Contoh Soal | Fisika Kelas 11"}]},{"@type":"WebSite","@id":"https:\/\/www.ruangguru.com\/blog\/#website","url":"https:\/\/www.ruangguru.com\/blog\/","name":"Ruangguru Blog","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.ruangguru.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/cbb994500f3fdab3dc0733faa2e966ea","name":"Karina Dwi Adistiana","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.ruangguru.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/?s=96&d=mm&r=g","caption":"Karina Dwi Adistiana"},"url":"https:\/\/www.ruangguru.com\/blog\/author\/karina-dwi-adistiana"}]}},"_links":{"self":[{"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/posts\/10507","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/users\/79"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/comments?post=10507"}],"version-history":[{"count":1,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/posts\/10507\/revisions"}],"predecessor-version":[{"id":16015,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/posts\/10507\/revisions\/16015"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/posts\/10507"}],"wp:attachment":[{"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/media?parent=10507"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/categories?post=10507"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ruangguru.com\/blog\/wp-json\/wp\/v2\/tags?post=10507"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}