{"id":162870,"date":"2026-02-02T16:54:15","date_gmt":"2026-02-02T16:54:15","guid":{"rendered":"https:\/\/news.gyankatta.org\/?p=162870"},"modified":"2026-02-02T17:01:04","modified_gmt":"2026-02-02T17:01:04","slug":"class-xi-physics-waves","status":"publish","type":"post","link":"https:\/\/news.gyankatta.org\/?p=162870","title":{"rendered":"Class XI Physics: Waves"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h1 class=\"wp-block-heading\">The Pulse of the Universe: Mastering Waves<\/h1>\n\n\n\n<p>If <strong>Oscillations<\/strong> are about a single particle dancing in place, <strong>Waves<\/strong> are about that dance spreading through a crowd. A wave is a disturbance that carries energy from one point to another without moving the medium itself. From the silent ripples on a pond to the thunderous roar of a jet engine, waves are the primary way the universe communicates.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The Core Pillars of Wave Motion<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Longitudinal vs. Transverse<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Transverse Waves:<\/strong> Particles move perpendicular to the direction of the wave (e.g., light, ripples on water, waves in a string).<\/li>\n\n\n\n<li><strong>Longitudinal Waves:<\/strong> Particles move parallel to the direction of the wave, creating compressions and rarefactions (e.g., sound waves).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. The Speed of Sound: Newton vs. Laplace<\/h3>\n\n\n\n<p>Newton originally calculated the speed of sound assuming an <strong>isothermal<\/strong> process. He was wrong by about 15%. Laplace corrected this by realizing that sound travels so fast that heat cannot escape, making it an <strong>adiabatic<\/strong> process.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Formula:<\/strong> <strong>v = \u221a(\u03b3P\/\u03c1)<\/strong><\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. Standing Waves: The Physics of Music<\/h3>\n\n\n\n<p>When two identical waves traveling in opposite directions meet, they interfere to form a <strong>Standing Wave<\/strong>. This creates &#8220;Nodes&#8221; (points of zero motion) and &#8220;Antinodes&#8221; (points of maximum vibration). This is how every guitar, piano, and flute produces sound.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. The Doppler Effect<\/h3>\n\n\n\n<p>Ever noticed how an ambulance siren sounds higher as it approaches and lower as it moves away? That is the <strong>Doppler Effect<\/strong>\u2014the change in frequency due to the relative motion between the source and the observer.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">The Gauntlet: 10 Challenging Aptitude Questions<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Question 1: The String Tension Shift<\/h3>\n\n\n\n<p>A transverse wave travels along a string with a speed of 50 m\/s. If the tension in the string is increased by 44% while keeping the linear mass density constant, what is the new speed of the wave?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 2: The Open vs. Closed Pipe<\/h3>\n\n\n\n<p>An open organ pipe has a fundamental frequency of 300 Hz. If one end of the pipe is closed, what will be the new fundamental frequency?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 3: The Beat Frequency<\/h3>\n\n\n\n<p>Two tuning forks, A and B, produce 4 beats per second. When fork A is slightly loaded with wax, the beat frequency increases to 6 beats per second. If the frequency of B is 256 Hz, what was the original frequency of A?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 4: Speed of Sound and Temperature<\/h3>\n\n\n\n<p>At what temperature (in Celsius) will the speed of sound be double its value at 0\u00b0C?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 5: The Third Harmonic<\/h3>\n\n\n\n<p>A string of length 2m is fixed at both ends. If it vibrates in its third harmonic with a frequency of 450 Hz, what is the speed of the transverse wave in the string?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 6: Intensity and Distance<\/h3>\n\n\n\n<p>A point source of sound emits energy equally in all directions. If you move from a distance of 2m to 10m from the source, by how many decibels (dB) does the sound level decrease?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 7: The Doppler &#8220;Wall&#8221; Reflect<\/h3>\n\n\n\n<p>A car blowing a horn of frequency 400 Hz moves at 20 m\/s toward a tall vertical wall. What is the frequency of the echo heard by the driver? (Speed of sound = 340 m\/s).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 8: Phase Difference to Path Difference<\/h3>\n\n\n\n<p>Two sound waves from coherent sources reach a point with a path difference of 15 cm. If the wavelength of the sound is 10 cm, is the interference at that point constructive or destructive?<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 9: Velocity of a Particle vs. Wave<\/h3>\n\n\n\n<p>A wave is represented by <strong>y = 0.5 sin(10t &#8211; 2x)<\/strong>. Find the ratio of the maximum particle velocity to the wave velocity.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Question 10: The Resonance Column<\/h3>\n\n\n\n<p>In a resonance column experiment, the first resonance occurs at a tube length of 16 cm and the second at 49 cm. What is the end correction of the tube?<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Detailed Explanations &amp; Solutions<\/h2>\n\n\n\n<p><strong>1. String Tension<\/strong><\/p>\n\n\n\n<p>Wave speed <strong>v = \u221a(T\/\u03bc)<\/strong>. So, <strong>v\u2082\/v\u2081 = \u221a(T\u2082\/T\u2081)<\/strong>.<\/p>\n\n\n\n<p>Increasing tension by 44% means <strong>T\u2082 = 1.44 T\u2081<\/strong>.<\/p>\n\n\n\n<p>v\u2082 = v\u2081 \u00d7 \u221a1.44 = 50 \u00d7 1.2.<\/p>\n\n\n\n<p><strong>Result: 60 m\/s.<\/strong><\/p>\n\n\n\n<p><strong>2. Organ Pipes<\/strong><\/p>\n\n\n\n<p>Fundamental of open pipe = <strong>v\/2L<\/strong>. Fundamental of closed pipe = <strong>v\/4L<\/strong>.<\/p>\n\n\n\n<p>The closed pipe frequency is exactly half of the open pipe.<\/p>\n\n\n\n<p><strong>Result: 150 Hz.<\/strong><\/p>\n\n\n\n<p><strong>3. Beat Frequency<\/strong><\/p>\n\n\n\n<p>Original A was either 252 or 260 (256 \u00b1 4). Loading A with wax decreases its frequency. If 252 is lowered, it gets further from 256 (beats increase). If 260 is lowered, it gets closer to 256 (beats decrease).<\/p>\n\n\n\n<p><strong>Result: 252 Hz.<\/strong><\/p>\n\n\n\n<p><strong>4. Temperature Effect<\/strong><\/p>\n\n\n\n<p><strong>v \u221d \u221aT<\/strong> (where T is in Kelvin). To double <strong>v<\/strong>, <strong>T<\/strong> must quadruple.<\/p>\n\n\n\n<p>Initial T = 273 K. Final T = 273 \u00d7 4 = 1092 K.<\/p>\n\n\n\n<p><strong>Result: 1092 &#8211; 273 = 819\u00b0C.<\/strong><\/p>\n\n\n\n<p><strong>5. Third Harmonic<\/strong><\/p>\n\n\n\n<p>In a fixed string, <strong>f\u2099 = nv\/2L<\/strong>. For n=3: 450 = 3v \/ (2 \u00d7 2).<\/p>\n\n\n\n<p>450 = 3v \/ 4 \u2192 1800 = 3v.<\/p>\n\n\n\n<p><strong>Result: 600 m\/s.<\/strong><\/p>\n\n\n\n<p><strong>6. Decibel Decrease<\/strong><\/p>\n\n\n\n<p>Intensity <strong>I \u221d 1\/r\u00b2<\/strong>. Ratio of intensities = (10\/2)\u00b2 = 25.<\/p>\n\n\n\n<p>Change in dB = 10 log\u2081\u2080(I\u2081\/I\u2082) = 10 log\u2081\u2080(25) = 20 log\u2081\u2080(5).<\/p>\n\n\n\n<p><strong>Result: Approximately 14 dB.<\/strong><\/p>\n\n\n\n<p><strong>7. Doppler Echo<\/strong><\/p>\n\n\n\n<p>The wall &#8220;hears&#8221; frequency <strong>f&#8217; = f [v \/ (v-v\u209b)]<\/strong>. The wall then acts as a stationary source reflecting <strong>f&#8217;<\/strong> to a moving observer.<\/p>\n\n\n\n<p>f_final = f&#8217; [(v+v\u2080) \/ v] = f [(v+v\u2080) \/ (v-v\u209b)].<\/p>\n\n\n\n<p>f_final = 400 [(340+20) \/ (340-20)] = 400 [360\/320].<\/p>\n\n\n\n<p><strong>Result: 450 Hz.<\/strong><\/p>\n\n\n\n<p><strong>8. Interference<\/strong><\/p>\n\n\n\n<p>Path Difference <strong>\u0394x = 1.5 \u03bb<\/strong>.<\/p>\n\n\n\n<p>When path difference is an odd multiple of half-wavelengths (0.5\u03bb, 1.5\u03bb, 2.5\u03bb&#8230;), the interference is destructive.<\/p>\n\n\n\n<p><strong>Result: Destructive (the point will be quiet).<\/strong><\/p>\n\n\n\n<p><strong>9. Particle vs. Wave Velocity<\/strong><\/p>\n\n\n\n<p>Wave velocity <strong>v_w = \u03c9\/k = 10\/2 = 5<\/strong>.<\/p>\n\n\n\n<p>Max particle velocity <strong>v_p = A\u03c9 = 0.5 \u00d7 10 = 5<\/strong>.<\/p>\n\n\n\n<p><strong>Result: Ratio = 1.<\/strong><\/p>\n\n\n\n<p><strong>10. End Correction<\/strong><\/p>\n\n\n\n<p>L\u2081 + e = \u03bb\/4 and L\u2082 + e = 3\u03bb\/4.<\/p>\n\n\n\n<p>Subtracting gives \u03bb\/2 = L\u2082 &#8211; L\u2081 = 49 &#8211; 16 = 33 cm. So \u03bb = 66 cm.<\/p>\n\n\n\n<p>e = (\u03bb\/4) &#8211; L\u2081 = (66\/4) &#8211; 16 = 16.5 &#8211; 16.<\/p>\n\n\n\n<p><strong>Result: 0.5 cm.<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Pro-Tip: The &#8220;Wave&#8221; Visualization<\/h3>\n\n\n\n<p>When dealing with string waves, remember that <strong>no matter how fast the wave travels, the particles themselves only move up and down<\/strong>. They never travel with the wave.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Pulse of the Universe: Mastering Waves If Oscillations are about a single particle dancing in place, Waves are about that dance spreading through a crowd. A wave is a disturbance that carries energy from one point to another without moving the medium itself. From the silent ripples on a pond to the thunderous roar [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[52,3,53,14],"tags":[],"class_list":["post-162870","post","type-post","status-publish","format-standard","hentry","category-class-xi-physics","category-education","category-jee","category-neet","cat-52-id","cat-3-id","cat-53-id","cat-14-id"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Class XI Physics: Waves - Gyankatta<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/news.gyankatta.org\/?p=162870\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Class XI Physics: Waves - Gyankatta\" \/>\n<meta property=\"og:description\" content=\"The Pulse of the Universe: Mastering Waves If Oscillations are about a single particle dancing in place, Waves are about that dance spreading through a crowd. A wave is a disturbance that carries energy from one point to another without moving the medium itself. From the silent ripples on a pond to the thunderous roar [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/news.gyankatta.org\/?p=162870\" \/>\n<meta property=\"og:site_name\" content=\"Gyankatta\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-02T16:54:15+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-02T17:01:04+00:00\" \/>\n<meta name=\"author\" content=\"sBagul\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"sBagul\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870\"},\"author\":{\"name\":\"sBagul\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/#\\\/schema\\\/person\\\/ba6f7a4ee74e137c4c2b2c991b4f28e9\"},\"headline\":\"Class XI Physics: Waves\",\"datePublished\":\"2026-02-02T16:54:15+00:00\",\"dateModified\":\"2026-02-02T17:01:04+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870\"},\"wordCount\":888,\"commentCount\":0,\"articleSection\":[\"Class XI Physics\",\"education\",\"JEE\",\"NEET\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870\",\"url\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870\",\"name\":\"Class XI Physics: Waves - Gyankatta\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/#website\"},\"datePublished\":\"2026-02-02T16:54:15+00:00\",\"dateModified\":\"2026-02-02T17:01:04+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/#\\\/schema\\\/person\\\/ba6f7a4ee74e137c4c2b2c991b4f28e9\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/?p=162870#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/news.gyankatta.org\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Class XI Physics: Waves\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/#website\",\"url\":\"https:\\\/\\\/news.gyankatta.org\\\/\",\"name\":\"Gyankatta\",\"description\":\"Online Examination, Speed and Efficiency\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/news.gyankatta.org\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/news.gyankatta.org\\\/#\\\/schema\\\/person\\\/ba6f7a4ee74e137c4c2b2c991b4f28e9\",\"name\":\"sBagul\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g\",\"caption\":\"sBagul\"},\"url\":\"https:\\\/\\\/news.gyankatta.org\\\/?author=1\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Class XI Physics: Waves - Gyankatta","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:\/\/news.gyankatta.org\/?p=162870","og_locale":"en_US","og_type":"article","og_title":"Class XI Physics: Waves - Gyankatta","og_description":"The Pulse of the Universe: Mastering Waves If Oscillations are about a single particle dancing in place, Waves are about that dance spreading through a crowd. A wave is a disturbance that carries energy from one point to another without moving the medium itself. From the silent ripples on a pond to the thunderous roar [&hellip;]","og_url":"https:\/\/news.gyankatta.org\/?p=162870","og_site_name":"Gyankatta","article_published_time":"2026-02-02T16:54:15+00:00","article_modified_time":"2026-02-02T17:01:04+00:00","author":"sBagul","twitter_card":"summary_large_image","twitter_misc":{"Written by":"sBagul","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/news.gyankatta.org\/?p=162870#article","isPartOf":{"@id":"https:\/\/news.gyankatta.org\/?p=162870"},"author":{"name":"sBagul","@id":"https:\/\/news.gyankatta.org\/#\/schema\/person\/ba6f7a4ee74e137c4c2b2c991b4f28e9"},"headline":"Class XI Physics: Waves","datePublished":"2026-02-02T16:54:15+00:00","dateModified":"2026-02-02T17:01:04+00:00","mainEntityOfPage":{"@id":"https:\/\/news.gyankatta.org\/?p=162870"},"wordCount":888,"commentCount":0,"articleSection":["Class XI Physics","education","JEE","NEET"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/news.gyankatta.org\/?p=162870#respond"]}]},{"@type":"WebPage","@id":"https:\/\/news.gyankatta.org\/?p=162870","url":"https:\/\/news.gyankatta.org\/?p=162870","name":"Class XI Physics: Waves - Gyankatta","isPartOf":{"@id":"https:\/\/news.gyankatta.org\/#website"},"datePublished":"2026-02-02T16:54:15+00:00","dateModified":"2026-02-02T17:01:04+00:00","author":{"@id":"https:\/\/news.gyankatta.org\/#\/schema\/person\/ba6f7a4ee74e137c4c2b2c991b4f28e9"},"breadcrumb":{"@id":"https:\/\/news.gyankatta.org\/?p=162870#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/news.gyankatta.org\/?p=162870"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/news.gyankatta.org\/?p=162870#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/news.gyankatta.org\/"},{"@type":"ListItem","position":2,"name":"Class XI Physics: Waves"}]},{"@type":"WebSite","@id":"https:\/\/news.gyankatta.org\/#website","url":"https:\/\/news.gyankatta.org\/","name":"Gyankatta","description":"Online Examination, Speed and Efficiency","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/news.gyankatta.org\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/news.gyankatta.org\/#\/schema\/person\/ba6f7a4ee74e137c4c2b2c991b4f28e9","name":"sBagul","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/276ef0d75fcc5d663d2921ae3c0f1070d894ce89b14c9ddfe3369ebe20b7cbe5?s=96&r=g","caption":"sBagul"},"url":"https:\/\/news.gyankatta.org\/?author=1"}]}},"views":90,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/posts\/162870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=162870"}],"version-history":[{"count":1,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/posts\/162870\/revisions"}],"predecessor-version":[{"id":162871,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=\/wp\/v2\/posts\/162870\/revisions\/162871"}],"wp:attachment":[{"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=162870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=162870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.gyankatta.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=162870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}