{"id":92506,"date":"2025-06-01T11:26:05","date_gmt":"2025-06-01T11:26:05","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92506"},"modified":"2025-06-01T11:26:05","modified_gmt":"2025-06-01T11:26:05","slug":"which-of-the-following-statements-regarding-temperature-of-an-object-i","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/","title":{"rendered":"Which of the following statements regarding temperature of an object i"},"content":{"rendered":"<p>Which of the following statements regarding temperature of an object in Kelvin scale is\/are correct ?<\/p>\n<ul>\n<li>1. It can be a negative, zero or positive quantity.<\/li>\n<li>2. It can either be a negative or a positive quantity.<\/li>\n<li>3. It can never be negative.<\/li>\n<li>4. It can be a positive definite quantity.<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1 and 2 only&#8221; option2=&#8221;2 and 4 only&#8221; option3=&#8221;3 and 4 only&#8221; option4=&#8221;4 only&#8221; 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 CISF-AC-EXE &#8211; 2018<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-cisf-ac-exe-2018.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-cisf-ac-exe-2018\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero).<br \/>\nStatement 1: Incorrect, as Kelvin temperature cannot be negative.<br \/>\nStatement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero.<br \/>\nStatement 3: Correct, Kelvin temperature can never be negative (it is always $\\ge 0$).<br \/>\nStatement 4: Interpreting &#8220;positive definite quantity&#8221; in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $\\ge 0$. If interpreted strictly as strictly positive (> 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct.<\/section>\n<section id=\"pyq-key-points\">Temperature on the Kelvin scale is always non-negative ($\\ge 0$).<\/section>\n<section id=\"pyq-additional-information\">Absolute zero (0 K or -273.15 \u00b0C) is the point at which particles have minimum possible motion (though not zero motion according to quantum mechanics). The Kelvin scale is used extensively in scientific applications.<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following statements regarding temperature of an object in Kelvin scale is\/are correct ? 1. It can be a negative, zero or positive quantity. 2. It can either be a negative or a positive quantity. 3. It can never be negative. 4. It can be a positive definite quantity. Select the correct answer &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following statements regarding temperature of an object i\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/#more-92506\">Detailed Solution<span class=\"screen-reader-text\">Which of the following statements regarding temperature of an object i<\/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":[1089],"tags":[1114,1140,1128],"class_list":["post-92506","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1114","tag-measurement-unit","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 of the following statements regarding temperature of an object i<\/title>\n<meta name=\"description\" content=\"The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero). Statement 1: Incorrect, as Kelvin temperature cannot be negative. Statement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero. Statement 3: Correct, Kelvin temperature can never be negative (it is always $ge 0$). Statement 4: Interpreting &quot;positive definite quantity&quot; in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $ge 0$. If interpreted strictly as strictly positive (&gt; 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct. Temperature on the Kelvin scale is always non-negative ($ge 0$).\" \/>\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-of-the-following-statements-regarding-temperature-of-an-object-i\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which of the following statements regarding temperature of an object i\" \/>\n<meta property=\"og:description\" content=\"The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero). Statement 1: Incorrect, as Kelvin temperature cannot be negative. Statement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero. Statement 3: Correct, Kelvin temperature can never be negative (it is always $ge 0$). Statement 4: Interpreting &quot;positive definite quantity&quot; in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $ge 0$. If interpreted strictly as strictly positive (&gt; 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct. Temperature on the Kelvin scale is always non-negative ($ge 0$).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:26:05+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 of the following statements regarding temperature of an object i","description":"The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero). Statement 1: Incorrect, as Kelvin temperature cannot be negative. Statement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero. Statement 3: Correct, Kelvin temperature can never be negative (it is always $ge 0$). Statement 4: Interpreting \"positive definite quantity\" in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $ge 0$. If interpreted strictly as strictly positive (> 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct. Temperature on the Kelvin scale is always non-negative ($ge 0$).","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-of-the-following-statements-regarding-temperature-of-an-object-i\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following statements regarding temperature of an object i","og_description":"The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero). Statement 1: Incorrect, as Kelvin temperature cannot be negative. Statement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero. Statement 3: Correct, Kelvin temperature can never be negative (it is always $ge 0$). Statement 4: Interpreting \"positive definite quantity\" in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $ge 0$. If interpreted strictly as strictly positive (> 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct. Temperature on the Kelvin scale is always non-negative ($ge 0$).","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T11:26:05+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-of-the-following-statements-regarding-temperature-of-an-object-i\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/","name":"Which of the following statements regarding temperature of an object i","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T11:26:05+00:00","dateModified":"2025-06-01T11:26:05+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The Kelvin scale is an absolute temperature scale. The zero point (0 K) is absolute zero, the theoretical lowest possible temperature. Temperatures on the Kelvin scale are always non-negative (greater than or equal to zero). Statement 1: Incorrect, as Kelvin temperature cannot be negative. Statement 2: Incorrect, as Kelvin temperature cannot be negative and can be zero. Statement 3: Correct, Kelvin temperature can never be negative (it is always $\\ge 0$). Statement 4: Interpreting \"positive definite quantity\" in this context to mean a quantity that is positive or zero (non-negative), this statement is correct, as Kelvin temperature is always $\\ge 0$. If interpreted strictly as strictly positive (> 0), it would be incorrect as 0 K is possible. Given the options, the non-negative interpretation is most likely intended for statement 4, making both 3 and 4 correct. Temperature on the Kelvin scale is always non-negative ($\\ge 0$).","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-regarding-temperature-of-an-object-i\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC CISF-AC-EXE","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-cisf-ac-exe\/"},{"@type":"ListItem","position":3,"name":"Which of the following statements regarding temperature of an object i"}]},{"@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\/92506","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=92506"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/92506\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=92506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=92506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=92506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}