{"id":88490,"date":"2025-06-01T07:12:13","date_gmt":"2025-06-01T07:12:13","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88490"},"modified":"2025-06-01T07:12:13","modified_gmt":"2025-06-01T07:12:13","slug":"the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/","title":{"rendered":"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic"},"content":{"rendered":"<p>The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Which one of the following gives the value of coefficient of volume expansion of this material?<\/p>\n<p>[amp_mcq option1=&#8221;0\u20228\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option2=&#8221;2\u20224\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option3=&#8221;3\u20222\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option4=&#8221;4\u20228\u00d710\u207b\u2075 K\u207b\u00b9&#8221; correct=&#8221;option2&#8243;]<\/p>\n<div class=\"psc-box-pyq-exam-year-detail\">\n<div class=\"pyq-exam\">\n<div class=\"psc-heading\">This question was previously asked in<\/div>\n<div class=\"psc-title line-ellipsis\">UPSC NDA-2 &#8211; 2018<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-2-2018.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-2-2018\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related.<br \/>\n&#8211; The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1.<br \/>\n&#8211; From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2.<br \/>\n&#8211; Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9.<br \/>\n&#8211; Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9).<br \/>\n&#8211; \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\n&#8211; These relationships (\u03b2=2\u03b1, \u03b3=3\u03b1) are valid for small changes in temperature and for isotropic materials (materials with the same properties in all directions).<br \/>\n&#8211; Linear expansion refers to the change in length, areal expansion to the change in area, and volume expansion to the change in volume per unit change in temperature.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Which one of the following gives the value of coefficient of volume expansion of this material? [amp_mcq option1=&#8221;0\u20228\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option2=&#8221;2\u20224\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option3=&#8221;3\u20222\u00d710\u207b\u2075 K\u207b\u00b9&#8221; option4=&#8221;4\u20228\u00d710\u207b\u2075 K\u207b\u00b9&#8221; correct=&#8221;option2&#8243;] This question was previously asked in UPSC NDA-2 &#8211; 2018 Download PDFAttempt Online The value of the coefficient &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/#more-88490\">Detailed Solution<span class=\"screen-reader-text\">The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1094],"tags":[1114,1130,1128],"class_list":["post-88490","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1114","tag-heat-and-thermodynamics","tag-physics","no-featured-image-padding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.2 (Yoast SEO v23.3) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic<\/title>\n<meta name=\"description\" content=\"The value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9. - For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related. - The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1. - From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2. - Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9. - Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9). - \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10\u207b\u2075-k\u207b\u00b9-whic\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic\" \/>\n<meta property=\"og:description\" content=\"The value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9. - For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related. - The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1. - From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2. - Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9. - Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9). - \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10\u207b\u2075-k\u207b\u00b9-whic\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:12:13+00:00\" \/>\n<meta name=\"author\" content=\"rawan239\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"rawan239\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic","description":"The value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9. - For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related. - The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1. - From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2. - Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9. - Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9). - \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.","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:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10\u207b\u2075-k\u207b\u00b9-whic\/","og_locale":"en_US","og_type":"article","og_title":"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic","og_description":"The value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9. - For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related. - The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1. - From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2. - Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9. - Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9). - \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10\u207b\u2075-k\u207b\u00b9-whic\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:12:13+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/","url":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/","name":"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:12:13+00:00","dateModified":"2025-06-01T07:12:13+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The value of the coefficient of volume expansion of this material is 2.4\u00d710\u207b\u2075 K\u207b\u00b9. - For an isotropic solid material, the coefficients of linear expansion (\u03b1), areal expansion (\u03b2), and volume expansion (\u03b3) are related. - The relationship is approximately \u03b2 \u2248 2\u03b1 and \u03b3 \u2248 3\u03b1. - From these relations, we can derive the relationship between the coefficient of areal expansion (\u03b2) and the coefficient of volume expansion (\u03b3): \u03b3 = (3\/2)\u03b2. - Given coefficient of areal expansion \u03b2 = 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9. - Substitute the value into the formula: \u03b3 = (3\/2) * (1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9). - \u03b3 = 1.5 * 1.6 \u00d7 10\u207b\u2075 K\u207b\u00b9 = 2.4 \u00d7 10\u207b\u2075 K\u207b\u00b9.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/the-coefficient-of-areal-expansion-of-a-material-is-16x10%e2%81%bb%e2%81%b5-k%e2%81%bb%c2%b9-whic\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"The coefficient of areal expansion of a material is 1\u20226\u00d710\u207b\u2075 K\u207b\u00b9. Whic"}]},{"@type":"WebSite","@id":"https:\/\/exam.pscnotes.com\/mcq\/#website","url":"https:\/\/exam.pscnotes.com\/mcq\/","name":"MCQ and Quiz for Exams","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/exam.pscnotes.com\/mcq\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209","name":"rawan239","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/761a7274f9cce048fa5b921221e7934820d74514df93ef195a9d22af0c1c9001?s=96&d=mm&r=g","caption":"rawan239"},"sameAs":["https:\/\/exam.pscnotes.com"],"url":"https:\/\/exam.pscnotes.com\/mcq\/author\/rawan239\/"}]}},"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/comments?post=88490"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88490\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}