{"id":87731,"date":"2025-06-01T06:53:04","date_gmt":"2025-06-01T06:53:04","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87731"},"modified":"2025-06-01T06:53:04","modified_gmt":"2025-06-01T06:53:04","slug":"which-one-of-the-following-regarding-density-of-water-at-atmospheric-p","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/","title":{"rendered":"Which one of the following regarding density of water at atmospheric p"},"content":{"rendered":"<p>Which one of the following regarding density of water at atmospheric pressure is correct ?<\/p>\n<p>[amp_mcq option1=&#8221;Density of water at 4\u00b0C is 1000 kg\/m\u00b3.&#8221; option2=&#8221;Density of water at 0\u00b0C is 1000 kg\/m\u00b3.&#8221; option3=&#8221;Density of water at 0\u00b0C is 100 kg\/m\u00b3.&#8221; option4=&#8221;Density of water at 4\u00b0C is 10 kg\/m\u00b3.&#8221; correct=&#8221;option1&#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-1 &#8211; 2021<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-1-2021.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-1-2021\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nDensity of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nWater exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe density of water at 0\u00b0C (liquid) is about 999.84 kg\/m\u00b3, and the density of ice at 0\u00b0C is about 916.7 kg\/m\u00b3. The value 1000 kg\/m\u00b3 is a commonly used approximation for the density of liquid water at 4\u00b0C and is equivalent to 1 g\/cm\u00b3.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following regarding density of water at atmospheric pressure is correct ? [amp_mcq option1=&#8221;Density of water at 4\u00b0C is 1000 kg\/m\u00b3.&#8221; option2=&#8221;Density of water at 0\u00b0C is 1000 kg\/m\u00b3.&#8221; option3=&#8221;Density of water at 0\u00b0C is 100 kg\/m\u00b3.&#8221; option4=&#8221;Density of water at 4\u00b0C is 10 kg\/m\u00b3.&#8221; correct=&#8221;option1&#8243;] This question was previously asked in &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following regarding density of water at atmospheric p\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/#more-87731\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following regarding density of water at atmospheric p<\/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":[1093],"tags":[1110,1160,1128],"class_list":["post-87731","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-physical-properties-of-materials","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>Which one of the following regarding density of water at atmospheric p<\/title>\n<meta name=\"description\" content=\"Density of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3. Water exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).\" \/>\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\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following regarding density of water at atmospheric p\" \/>\n<meta property=\"og:description\" content=\"Density of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3. Water exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:53:04+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":"Which one of the following regarding density of water at atmospheric p","description":"Density of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3. Water exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).","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\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following regarding density of water at atmospheric p","og_description":"Density of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3. Water exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:53:04+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\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/","name":"Which one of the following regarding density of water at atmospheric p","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:53:04+00:00","dateModified":"2025-06-01T06:53:04+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Density of water at atmospheric pressure is maximum at 4\u00b0C, and its value is approximately 1000 kg\/m\u00b3. Water exhibits anomalous expansion; its density increases from 0\u00b0C to 4\u00b0C, where it reaches its maximum density, and then decreases as the temperature rises above 4\u00b0C. At 0\u00b0C, water is less dense than at 4\u00b0C (whether in liquid or solid state).","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-regarding-density-of-water-at-atmospheric-p\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-1","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-1\/"},{"@type":"ListItem","position":3,"name":"Which one of the following regarding density of water at atmospheric p"}]},{"@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\/87731","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=87731"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/87731\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=87731"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=87731"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=87731"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}