{"id":86933,"date":"2025-06-01T04:23:48","date_gmt":"2025-06-01T04:23:48","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=86933"},"modified":"2025-06-01T04:23:48","modified_gmt":"2025-06-01T04:23:48","slug":"which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/","title":{"rendered":"Which one of the following is not correct in the context of daytime he"},"content":{"rendered":"<p>Which one of the following is not correct in the context of daytime heating experienced on the Earth?<\/p>\n<p>[amp_mcq option1=&#8221;The highest daytime temperatures usually occur several hours after the time of maximum solar input&#8221; option2=&#8221;Equilibrium between incoming and outgoing radiation occurs about an hour and a half after sunset&#8221; option3=&#8221;The extent of daily lag in maximum temperature varies&#8221; option4=&#8221;Presence of vegetation cover reduces the maximum temperature&#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 Geoscientist &#8211; 2022<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-geoscientist-2022.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-geoscientist-2022\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nEquilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere.<br \/>\n&#8211; Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset.<br \/>\n&#8211; After sunset, the net radiation balance is negative, and the surface cools.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe duration of the temperature lag (C) is influenced by factors like wind speed (mixing), cloud cover (insulation), humidity (evaporative cooling, water vapour greenhouse effect), and the thermal properties of the surface material. Vegetation cover (D) promotes evapotranspiration, which consumes energy (latent heat), thus reducing the energy available for sensible heating and lowering maximum surface and air temperatures.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which one of the following is not correct in the context of daytime heating experienced on the Earth? [amp_mcq option1=&#8221;The highest daytime temperatures usually occur several hours after the time of maximum solar input&#8221; option2=&#8221;Equilibrium between incoming and outgoing radiation occurs about an hour and a half after sunset&#8221; option3=&#8221;The extent of daily lag in &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which one of the following is not correct in the context of daytime he\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/#more-86933\">Detailed Solution<span class=\"screen-reader-text\">Which one of the following is not correct in the context of daytime he<\/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":[1091],"tags":[1108,1107,1106],"class_list":["post-86933","post","type-post","status-publish","format-standard","hentry","category-upsc-geoscientist","tag-1108","tag-the-atmosphere","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>Which one of the following is not correct in the context of daytime he<\/title>\n<meta name=\"description\" content=\"Equilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools. - There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere. - Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset. - After sunset, the net radiation balance is negative, and the surface cools.\" \/>\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-is-not-correct-in-the-context-of-daytime-he\/\" \/>\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 is not correct in the context of daytime he\" \/>\n<meta property=\"og:description\" content=\"Equilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools. - There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere. - Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset. - After sunset, the net radiation balance is negative, and the surface cools.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T04:23:48+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=\"2 minutes\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Which one of the following is not correct in the context of daytime he","description":"Equilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools. - There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere. - Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset. - After sunset, the net radiation balance is negative, and the surface cools.","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-is-not-correct-in-the-context-of-daytime-he\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following is not correct in the context of daytime he","og_description":"Equilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools. - There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere. - Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset. - After sunset, the net radiation balance is negative, and the surface cools.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T04:23:48+00:00","author":"rawan239","twitter_card":"summary_large_image","twitter_misc":{"Written by":"rawan239","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/","name":"Which one of the following is not correct in the context of daytime he","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T04:23:48+00:00","dateModified":"2025-06-01T04:23:48+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Equilibrium between incoming and outgoing radiation, leading to maximum temperature, occurs when the rate of energy gain equals the rate of energy loss. During the day, incoming solar radiation exceeds outgoing radiation. Maximum temperature is reached when the net radiation balance becomes zero or slightly negative, typically in the mid-afternoon, several hours *after* solar noon (maximum solar input). After sunset, there is no incoming solar radiation, and the Earth continues to lose radiation, so outgoing radiation significantly exceeds incoming (zero). Equilibrium (net radiation=0) does *not* occur after sunset; the surface cools. - There is a lag between the time of maximum solar radiation input (solar noon) and the time of maximum daily temperature due to the heat capacity of the surface and atmosphere. - Maximum temperature occurs when the net energy balance transitions from positive (energy gain) to negative (energy loss). This transition point usually happens a few hours after maximum solar input and *before* sunset. - After sunset, the net radiation balance is negative, and the surface cools.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-is-not-correct-in-the-context-of-daytime-he\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC Geoscientist","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-geoscientist\/"},{"@type":"ListItem","position":3,"name":"Which one of the following is not correct in the context of daytime he"}]},{"@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\/86933","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=86933"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/86933\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=86933"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=86933"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=86933"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}