{"id":90962,"date":"2025-06-01T10:42:02","date_gmt":"2025-06-01T10:42:02","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90962"},"modified":"2025-06-01T10:42:02","modified_gmt":"2025-06-01T10:42:02","slug":"consider-the-following-statements-regarding-the-temperature-of-the-ear","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/","title":{"rendered":"Consider the following statements regarding the temperature of the Ear"},"content":{"rendered":"<p>Consider the following statements regarding the temperature of the Earth&#8217;s surface:<\/p>\n<ul>\n<li>1. The temperature of a surface is determined by net radiation<\/li>\n<li>2. Net radiation produces a radiant energy flow that can heat or cool a surface<\/li>\n<li>3. Net radiation balance is usually positive during the daytime and negative during night time<\/li>\n<li>4. Soil surface loses energy as temperature increases during the daytime<\/li>\n<\/ul>\n<p>Which of the statements given above are correct?<\/p>\n<p>[amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;3 and 4 only&#8221; option3=&#8221;1, 2 and 3 only&#8221; option4=&#8221;1, 2, 3 and 4&#8243; correct=&#8221;option3&#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 CAPF &#8211; 2024<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2024.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2024\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nThe correct answer is C) 1, 2 and 3 only.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\nStatements 1, 2, and 3 accurately describe aspects of the Earth&#8217;s surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nStatement 4 is incorrect. During the daytime, as the soil surface temperature increases due to a positive net energy balance, the rate of outgoing longwave radiation and other energy losses (like sensible and latent heat) increases. However, the surface is *gaining* energy overall (positive net radiation minus other fluxes) which *causes* the temperature to increase. The statement &#8220;loses energy as temperature increases during the daytime&#8221; is misleading and contradicts the fact that the surface is heating up due to a net energy gain.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Consider the following statements regarding the temperature of the Earth&#8217;s surface: 1. The temperature of a surface is determined by net radiation 2. Net radiation produces a radiant energy flow that can heat or cool a surface 3. Net radiation balance is usually positive during the daytime and negative during night time 4. Soil surface &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Consider the following statements regarding the temperature of the Ear\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/#more-90962\">Detailed Solution<span class=\"screen-reader-text\">Consider the following statements regarding the temperature of the Ear<\/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":[1085],"tags":[1103,1365,1106],"class_list":["post-90962","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1103","tag-the-insolation","tag-world-and-physical-geography","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>Consider the following statements regarding the temperature of the Ear<\/title>\n<meta name=\"description\" content=\"The correct answer is C) 1, 2 and 3 only. Statements 1, 2, and 3 accurately describe aspects of the Earth&#039;s surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.\" \/>\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\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Consider the following statements regarding the temperature of the Ear\" \/>\n<meta property=\"og:description\" content=\"The correct answer is C) 1, 2 and 3 only. Statements 1, 2, and 3 accurately describe aspects of the Earth&#039;s surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:42:02+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":"Consider the following statements regarding the temperature of the Ear","description":"The correct answer is C) 1, 2 and 3 only. Statements 1, 2, and 3 accurately describe aspects of the Earth's surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.","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\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/","og_locale":"en_US","og_type":"article","og_title":"Consider the following statements regarding the temperature of the Ear","og_description":"The correct answer is C) 1, 2 and 3 only. Statements 1, 2, and 3 accurately describe aspects of the Earth's surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:42:02+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\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/","url":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/","name":"Consider the following statements regarding the temperature of the Ear","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:42:02+00:00","dateModified":"2025-06-01T10:42:02+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is C) 1, 2 and 3 only. Statements 1, 2, and 3 accurately describe aspects of the Earth's surface temperature and net radiation. The temperature of a surface is fundamentally determined by the balance of incoming and outgoing energy fluxes, which is often dominated by radiation (net radiation). A positive net radiation leads to a net gain of energy and thus heating, while a negative net radiation leads to a net loss of energy and thus cooling. During the daytime, incoming solar radiation is high, typically resulting in a positive net radiation balance. At night, with no incoming solar radiation, the surface loses energy primarily through longwave radiation, leading to a negative net radiation balance.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/consider-the-following-statements-regarding-the-temperature-of-the-ear\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CAPF","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-capf\/"},{"@type":"ListItem","position":3,"name":"Consider the following statements regarding the temperature of the Ear"}]},{"@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\/90962","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=90962"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/90962\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=90962"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=90962"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=90962"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}