{"id":458,"date":"2023-06-17T02:27:16","date_gmt":"2023-06-17T02:27:16","guid":{"rendered":"https:\/\/physigeek.com\/id\/fisika-interferensi-gelombang\/"},"modified":"2023-06-17T02:27:16","modified_gmt":"2023-06-17T02:27:16","slug":"fisika-interferensi-gelombang","status":"publish","type":"post","link":"https:\/\/physigeek.com\/id\/fisika-interferensi-gelombang\/","title":{"rendered":"Interferensi gelombang (fisika)"},"content":{"rendered":"<p>Artikel ini menjelaskan apa itu interferensi gelombang dalam fisika. Nah, Anda akan mempelajari apa yang dimaksud dengan interferensi dua gelombang, jenis-jenis interferensi gelombang, contoh interferensi gelombang, dan terakhir rumus menjelaskan interferensi dua gelombang. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%C2%BFQue-es-la-interferencia-de-ondas\"><\/span> Apa itu interferensi gelombang?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Dalam fisika, <strong>interferensi gelombang<\/strong> adalah fenomena yang terjadi ketika dua gelombang atau lebih saling bersilangan. Dengan kata lain, interferensi gelombang terdiri dari superposisi dua gelombang atau lebih sehingga membentuk gelombang baru.<\/p>\n<p> Jadi, gelombang hasil interferensi dua gelombang merupakan penjumlahan gelombang aslinya. Jadi, untuk mendapatkan persamaan dua gelombang interferensi, cukup tambahkan persamaannya masing-masing. Di bawah ini kita akan melihat apa persamaan interferensi dua gelombang.<\/p>\n<p> Misalnya kita melempar dua buah batu ke dalam kolam yang berisi air, maka tumbukan masing-masing batu tersebut akan menimbulkan gelombang yang merambat melalui air tersebut. Kemudian kedua gelombang yang dihasilkan akan berpotongan dan akan terjadi interferensi kedua gelombang tersebut, sehingga akan tercipta gelombang hasil penjumlahan kedua gelombang aslinya.<\/p>\n<p> Perlu diingat bahwa interferensi adalah fenomena fisik yang dapat terjadi pada semua jenis gelombang: gelombang cahaya, gelombang radio, gelombang suara, dll. <\/p>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Tipos-de-interferencia-de-ondas\"><\/span> Jenis interferensi gelombang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Dalam fisika, ada dua <strong>jenis interferensi gelombang<\/strong> :<\/p>\n<ul style=\"color:#4fd12f; font-weight: bold;\">\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Interferensi Gelombang Konstruktif<\/strong> \u2013 Suatu jenis interferensi gelombang yang terjadi ketika gelombang yang tumpang tindih berada dalam satu fase.<\/span><\/li>\n<li style=\"margin-bottom:18px\"> <span style=\"color:#101010;font-weight: normal;\"><strong>Interferensi Gelombang Merusak<\/strong> \u2013 Suatu jenis interferensi gelombang yang terjadi ketika gelombang yang berpotongan berada dalam antifase.<\/span><\/li>\n<\/ul>\n<p> Setiap jenis interferensi gelombang dijelaskan secara rinci di bawah ini. <\/p>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interferencia-de-ondas-constructiva\"><\/span> Interferensi gelombang konstruktif<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>Interferensi gelombang konstruktif<\/strong> terjadi ketika dua gelombang atau lebih mempunyai frekuensi dan fasa yang sama. Oleh karena itu, gelombang yang dihasilkan dari interferensi konstruktif dua gelombang merupakan gelombang yang amplitudonya lebih besar. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-constructive.png\" alt=\"interferensi gelombang konstruktif\" class=\"wp-image-9275\" width=\"477\" height=\"321\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-constructive-300x202.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-constructive-1024x690.png 1024w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-constructive-768x518.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-constructive.png 1102w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/figure>\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Interferencia-de-ondas-destructiva\"><\/span> Interferensi gelombang destruktif<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p> <strong>Interferensi gelombang destruktif<\/strong> terjadi ketika dua atau lebih gelombang antifase (keluar fase 180\u00b0) dengan frekuensi yang sama tumpang tindih. Oleh karena itu, gelombang yang dihasilkan dari interferensi destruktif adalah gelombang yang amplitudonya lebih kecil; terkadang, selama interferensi destruktif, gelombang-gelombang tersebut saling menghilangkan. <\/p>\n<figure class=\"wp-block-image aligncenter size-large is-resized\"><img decoding=\"async\" loading=\"lazy\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-destructrice.png\" alt=\"interferensi gelombang destruktif\" class=\"wp-image-9278\" width=\"478\" height=\"205\" srcset=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-destructrice-300x129.png 300w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-destructrice-1024x440.png 1024w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-destructrice-768x330.png 768w, https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/interference-onde-destructrice.png 1104w\" sizes=\"(max-width: 300px) 100vw, 300px\"><\/figure>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Ejemplos-de-interferencias-de-ondas\"><\/span> Contoh interferensi gelombang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Setelah kita melihat definisi interferensi gelombang dan apa saja jenis-jenis interferensi gelombang, kita akan melihat contoh fenomena fisik ini untuk memahami konsepnya sepenuhnya.<\/p>\n<p> Di bawah ini Anda dapat melihat dua contoh gelombang interferensi. Pada contoh pertama, gelombang-gelombang saling menghilangkan, sehingga terjadi interferensi gelombang destruktif. Sedangkan pada contoh kedua, gelombang menghasilkan gelombang dengan amplitudo lebih besar sehingga interferensi gelombang tersebut bersifat konstruktif. <\/p>\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" loading=\"lazy\" width=\"360\" height=\"223\" src=\"https:\/\/physigeek.com\/wp-content\/uploads\/2023\/09\/exemples-dinterferences-dondes.gif\" alt=\"contoh interferensi gelombang (fisika)\" class=\"wp-image-9281\"><\/figure>\n<p> Perhatikan bahwa setelah fenomena interferensi gelombang, gelombang awal mempertahankan bentuk aslinya dan terus merambat ke arahnya.<\/p>\n<p> Dalam fisika, <strong>prinsip superposisi gelombang<\/strong> menyatakan bahwa gelombang yang dihasilkan dari interferensi antara dua gelombang atau lebih merupakan penjumlahan masing-masing gelombang secara terpisah. Seperti yang Anda lihat pada gambar di atas, ketika dua gelombang saling berpapasan, keduanya akan saling tumpang tindih dan menghasilkan gelombang baru yang merupakan penjumlahan dari gelombang aslinya.<\/p>\n<p> Terakhir, perlu diperhatikan bahwa gelombang berdiri juga merupakan contoh interferensi dua gelombang. Sebenarnya gelombang berdiri merupakan salah satu jenis gelombang yang dipelajari dalam ilmu fisika karena mempunyai sifat yang sangat khusus karena berasal dari interferensi dua gelombang. <\/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\/gelombang-berdiri\/\">Apa itu gelombang berdiri?<\/a> <\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Formula-de-la-interferencia-de-ondas\"><\/span> Rumus Interferensi Gelombang<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p> Rumus interferensi dua gelombang diberikan oleh jumlah persamaan dua gelombang awal. <strong>Jadi, persamaan interferensi dua gelombang adalah y=2 A sin[k (x <sub>1<\/sub> +x <sub>2<\/sub> )\/2-\u03c9 t+\u03c6\/2] cos[k (x <sub>1<\/sub> -x <sub>2<\/sub> )\/2- \u03c6\/ 2]<\/strong> .<\/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-d9125d78ba28773d8a8e0a1a0da8230e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle y=2\\cdot A\\cdot \\text{sin}\\left(\\frac{k(x_1+x_2)}{2}-\\omega\\cdot t+\\frac{\\phi}{2}\\ droite)\\text{cos}\\left(\\frac{k(x_1-x_2)}{2}-\\frac{\\phi}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"522\" style=\"vertical-align: -17px;\"><\/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-38461fc041e953482219abf5d4cce1cb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"y\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: -4px;\"><\/p>\n<p> adalah perpanjangan titik yang diteliti. <\/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-816b613a4f79d4bf9cb51396a9654120_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"A\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah amplitudo gelombang aslinya. <\/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-d42bc2203d6f76ad01b27ac9acc0bee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah bilangan gelombang. <\/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-11e46ba8b122ff2ec557030bd2f06155_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"x_1,x_2\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"43\" style=\"vertical-align: -4px;\"><\/p>\n<p> adalah jarak antara titik studi dan fokus gelombang 1 dan gelombang 2. <\/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-fbffdce91996e0a17795d82e8e6996d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\omega\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah frekuensi sudut atau denyut. <\/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-fd9cb27edab3f0a8a249bc80cc9c6ee2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"t\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"6\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah momen waktu. <\/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-8358131e7f71b02f5a1b767b67603090_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\phi\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"11\" style=\"vertical-align: -4px;\"><\/p>\n<p> adalah jeda waktu antara dua gelombang awal.<\/span><\/li>\n<\/ul>\n<p> Perhatikan bahwa jika kedua gelombang interferensi berasal dari titik yang sama, maka x <sub>1<\/sub> = x <sub>2<\/sub> = x valid. Jadi, dalam kasus seperti itu, persamaan interferensi dua gelombang adalah sebagai berikut:<\/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-89386ad637b14c93c411c4d53c775d09_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle y=2\\cdot A\\cdot \\text{sin}\\left(k\\cdot x-\\omega\\cdot t+\\frac{\\phi}{2}\\right)\\text{cos}\\left (\\frac{\\phi}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"320\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p> Ingatlah bahwa bilangan gelombang dan frekuensi sudut gelombang dihitung dengan rumus berikut:<\/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-bd9a9c86ac7bfe615da6e49025b8b40f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}k=\\cfrac{2\\pi}{\\lambda}\\\\[4ex]\\omega=\\cfrac{2\\pi}{T}=2\\pi f\\end{ tableau}\" title=\"Rendered by QuickLaTeX.com\" height=\"104\" width=\"110\" style=\"vertical-align: 0px;\"><\/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-d42bc2203d6f76ad01b27ac9acc0bee1_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"k\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"9\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah bilangan gelombang. <\/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-8c37d2f1acb1d49f3e5e655797880475_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\lambda\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"10\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah panjang gelombang. <\/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-fbffdce91996e0a17795d82e8e6996d9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\omega\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"11\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah frekuensi sudut atau denyut. <\/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-7e093fd43ad2c244140c11afe4d4bdff_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"T\" title=\"Rendered by QuickLaTeX.com\" height=\"12\" width=\"13\" style=\"vertical-align: 0px;\"><\/p>\n<p> adalah intinya. <\/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-f5844370b6482674a233a3063f762555_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"f\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"10\" style=\"vertical-align: -4px;\"><\/p>\n<p> adalah frekuensinya. <\/span><\/li>\n<\/ul>\n<div class=\"wp-block-otfm-box-spoiler-start otfm-sp__wrapper otfm-sp__box js-otfm-sp-box__closed otfm-sp__FFF8E1\" role=\"button\" tabindex=\"0\" aria-expanded=\"false\" data-otfm-spc=\"#FFF8E1\" style=\"text-align:center\">\n<div class=\"otfm-sp__title\"> <strong>Lihat demonstrasi persamaan interferensi dua gelombang<\/strong><\/div>\n<\/div>\n<p class=\"has-text-align-left\"> Diketahui persamaan dua gelombang rambat yang frekuensinya sama dan amplitudonya sama tetapi beda fasanya sudut tertentu \u03c6:<\/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-0a41489f1ca067b0955dd725e0986cf6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}y_1=A\\cdot \\text{sin}(k\\cdot x_1-\\omega\\cdot t)\\\\[3ex]y_2=A\\cdot \\text{sin}(k \\cdot x_2-\\omega\\cdot t+\\phi )\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"64\" width=\"226\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Gelombang yang dihasilkan dari interferensi kedua gelombang tersebut merupakan penjumlahan dari kedua gelombang osilasi tersebut, oleh karena itu persamaan interferensi kedua gelombang tersebut merupakan penjumlahan aljabar dari dua persamaan sebelumnya:<\/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-3bf4f6e9cbead885e080c5275fd5b8a3_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}y=y_1+y_2\\\\[3ex]y=A\\cdot \\text{sin}(k\\cdot x_1-\\omega\\cdot t)+A\\cdot \\text{ sin}(k\\cdot x_2-\\omega\\cdot t+\\phi )\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"61\" width=\"402\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Kami kemudian akan menerapkan rumus trigonometri berikut:<\/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-709f860df485f9933890e923dc1318a9_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\displaystyle\\text{sin}(A)+\\text{sin}(B)=2\\cdot \\text{sin}\\left(\\frac{A+B}{2}\\right)\\cdot\\ texte{cos}\\left(\\frac{AB}{2}\\right)\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"410\" style=\"vertical-align: -17px;\"><\/p>\n<\/p>\n<p class=\"has-text-align-left\"> Jadi, dengan menerapkan rumus trigonometri sebelumnya, kita sampai pada persamaan interferensi dua gelombang: <\/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-59ee4b2f6559532dfa119d290e3f1b59_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\begin{array}{c}\\displaystyle y=A\\text{sin}(kx_1-\\omega t)+A\\cdot \\text{sin}(kx_2-\\omega t+\\phi)\\\\[4ex ]\\displaystyle y=2A\\text{sin}\\left(\\frac{(kx_1-\\omega t)+(kx_2-\\omega t+\\phi)}{2}\\right)\\text{cos}\\left(\\ frac{(kx_1-\\omega t)-(kx_2-\\omega t+\\phi)}{2}\\right)\\\\[4ex]\\displaystyle y=2A\\text{sin}\\left(\\frac{k(x_1 +x_2)}{2}-\\omega t+\\frac{\\phi}{2}\\right)\\text{cos}\\left(\\frac{k(x_1-x_2)}{2}-\\frac{\\phi }{2}\\right)\\end{array}\" title=\"Rendered by QuickLaTeX.com\" height=\"157\" width=\"636\" style=\"vertical-align: 0px;\"><\/p>\n<\/p>\n<div class=\"wp-block-otfm-box-spoiler-end otfm-sp_end\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Artikel ini menjelaskan apa itu interferensi gelombang dalam fisika. Nah, Anda akan mempelajari apa yang dimaksud dengan interferensi dua gelombang, jenis-jenis interferensi gelombang, contoh interferensi gelombang, dan terakhir rumus menjelaskan interferensi dua gelombang. Apa itu interferensi gelombang? Dalam fisika, interferensi gelombang adalah fenomena yang terjadi ketika dua gelombang atau lebih saling bersilangan. Dengan kata lain, &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/physigeek.com\/id\/fisika-interferensi-gelombang\/\"> <span class=\"screen-reader-text\">Interferensi gelombang (fisika)<\/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":[3],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u25b7 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