{"id":90086,"date":"2025-06-01T10:20:30","date_gmt":"2025-06-01T10:20:30","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=90086"},"modified":"2025-06-01T10:20:30","modified_gmt":"2025-06-01T10:20:30","slug":"which-of-the-following-statements-is-are-correct-1-gravitationa","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/","title":{"rendered":"Which of the following statements is \/are correct ?\n \n 1. Gravitationa"},"content":{"rendered":"<p>Which of the following statements is \/are correct ?<\/p>\n<ul>\n<li>1. Gravitational Waves were predicted by Albert Einstein in 1916 on the basis of his theory of General Relativity<\/li>\n<li>2. Gravitational waves do also exist in the Newtonian theory of Gravitation<\/li>\n<li>3. Gravitational Waves are to be detected by very sensitive detectors known as Interferometers<\/li>\n<\/ul>\n<p>Select the correct answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1 only&#8221; option2=&#8221;1 and 3 only&#8221; option3=&#8221;2 and 3 only&#8221; option4=&#8221;1, 2 and 3&#8243; 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 CAPF &#8211; 2016<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-capf-2016.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-capf-2016\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nStatements 1 and 3 are correct.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct.<br \/>\n2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect.<br \/>\n3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nThe first direct detection of gravitational waves was made by the LIGO collaboration in September 2015 (and announced in February 2016), confirming Einstein&#8217;s prediction nearly a century later. This detection originated from the merger of two black holes.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following statements is \/are correct ? 1. Gravitational Waves were predicted by Albert Einstein in 1916 on the basis of his theory of General Relativity 2. Gravitational waves do also exist in the Newtonian theory of Gravitation 3. Gravitational Waves are to be detected by very sensitive detectors known as Interferometers Select &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following statements is \/are correct ?\n \n 1. Gravitationa\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/#more-90086\">Detailed Solution<span class=\"screen-reader-text\">Which of the following statements is \/are correct ?<\/p>\n<p> 1. Gravitationa<\/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":[1098,1128,1274],"class_list":["post-90086","post","type-post","status-publish","format-standard","hentry","category-upsc-capf","tag-1098","tag-physics","tag-wave-motion","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 is \/are correct ?  1. Gravitationa<\/title>\n<meta name=\"description\" content=\"Statements 1 and 3 are correct. 1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct. 2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect. 3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.\" \/>\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-is-are-correct-1-gravitationa\/\" \/>\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 is \/are correct ?  1. Gravitationa\" \/>\n<meta property=\"og:description\" content=\"Statements 1 and 3 are correct. 1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct. 2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect. 3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T10:20:30+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 is \/are correct ?  1. Gravitationa","description":"Statements 1 and 3 are correct. 1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct. 2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect. 3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.","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-is-are-correct-1-gravitationa\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following statements is \/are correct ?  1. Gravitationa","og_description":"Statements 1 and 3 are correct. 1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct. 2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect. 3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T10:20:30+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-is-are-correct-1-gravitationa\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/","name":"Which of the following statements is \/are correct ? 1. Gravitationa","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T10:20:30+00:00","dateModified":"2025-06-01T10:20:30+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Statements 1 and 3 are correct. 1. Albert Einstein predicted the existence of gravitational waves in 1916 as a consequence of his theory of General Relativity. This statement is correct. 2. The Newtonian theory of Gravitation describes gravity as an instantaneous force between masses. It does not predict the existence of gravitational waves which are ripples in spacetime propagating at the speed of light. This statement is incorrect. 3. Gravitational waves are extremely weak and require highly sensitive detectors. Interferometers, such as those used in the LIGO (Laser Interferometer Gravitational-Wave Observatory) and Virgo experiments, are the primary instruments used for their detection. This statement is correct.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-are-correct-1-gravitationa\/#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":"Which of the following statements is \/are correct ? 1. 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