{"id":87732,"date":"2025-06-01T06:53:05","date_gmt":"2025-06-01T06:53:05","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87732"},"modified":"2025-06-01T06:53:05","modified_gmt":"2025-06-01T06:53:05","slug":"which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer\/","title":{"rendered":"Which of the following pairs of physical phenomenon and the discoverer"},"content":{"rendered":"<p>Which of the following pairs of physical phenomenon and the discoverer is\/are correctly matched ?<\/p>\n<table>\n<tr>\n<td>1.<\/td>\n<td>James Chadwick<\/td>\n<td>:<\/td>\n<td>Photoelectric effect<\/td>\n<\/tr>\n<tr>\n<td>2.<\/td>\n<td>Albert Einstein<\/td>\n<td>:<\/td>\n<td>Neutron<\/td>\n<\/tr>\n<tr>\n<td>3.<\/td>\n<td>Marie Curie<\/td>\n<td>:<\/td>\n<td>Radium<\/td>\n<\/tr>\n<\/table>\n<p>Select the correct answer using the code given below :<\/p>\n<p>[amp_mcq option1=&#8221;1, 2 and 3&#8243; option2=&#8221;1 and 2 only&#8221; option3=&#8221;2 and 3 only&#8221; option4=&#8221;3 only&#8221; correct=&#8221;option4&#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\">\nOnly the third pair is correctly matched.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz.<br \/>\n&#8211; Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron.<br \/>\n&#8211; Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\nMarie Curie was a Polish and naturalized-French physicist and chemist who conducted pioneering research on radioactivity. She was the first woman to win a Nobel Prize, the first person and only woman to win the Nobel Prize twice, and the only person to win the Nobel Prize in two different scientific fields.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following pairs of physical phenomenon and the discoverer is\/are correctly matched ? 1. James Chadwick : Photoelectric effect 2. Albert Einstein : Neutron 3. Marie Curie : Radium Select the correct answer using the code given below : [amp_mcq option1=&#8221;1, 2 and 3&#8243; option2=&#8221;1 and 2 only&#8221; option3=&#8221;2 and 3 only&#8221; option4=&#8221;3 &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following pairs of physical phenomenon and the discoverer\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer\/#more-87732\">Detailed Solution<span class=\"screen-reader-text\">Which of the following pairs of physical phenomenon and the discoverer<\/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":[1110,1128,1233],"class_list":["post-87732","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-physics","tag-scientists-inventions","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 pairs of physical phenomenon and the discoverer<\/title>\n<meta name=\"description\" content=\"Only the third pair is correctly matched. - James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz. - Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron. - Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.\" \/>\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-pairs-of-physical-phenomenon-and-the-discoverer\/\" \/>\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 pairs of physical phenomenon and the discoverer\" \/>\n<meta property=\"og:description\" content=\"Only the third pair is correctly matched. - James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz. - Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron. - Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:53:05+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 pairs of physical phenomenon and the discoverer","description":"Only the third pair is correctly matched. - James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz. - Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron. - Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.","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-pairs-of-physical-phenomenon-and-the-discoverer\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following pairs of physical phenomenon and the discoverer","og_description":"Only the third pair is correctly matched. - James Chadwick discovered the neutron in 1932. The photoelectric effect was explained by Albert Einstein in 1905, building on observations by Heinrich Hertz. - Albert Einstein is famous for his theory of relativity and his explanation of the photoelectric effect, not the discovery of the neutron. - Marie Curie, along with her husband Pierre Curie, discovered the elements polonium and radium in 1898.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T06:53:05+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-pairs-of-physical-phenomenon-and-the-discoverer\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-pairs-of-physical-phenomenon-and-the-discoverer\/","name":"Which of the following pairs of physical phenomenon and the discoverer","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T06:53:05+00:00","dateModified":"2025-06-01T06:53:05+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Only the third pair is correctly matched. - James Chadwick discovered the neutron in 1932. 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