{"id":88672,"date":"2025-06-01T07:17:59","date_gmt":"2025-06-01T07:17:59","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88672"},"modified":"2025-06-01T07:17:59","modified_gmt":"2025-06-01T07:17:59","slug":"neutrons-were-discovered-by","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/","title":{"rendered":"Neutrons were discovered by"},"content":{"rendered":"

Neutrons were discovered by<\/p>\n

[amp_mcq option1=”James Chadwick” option2=”Ernest Rutherford” option3=”J. J. Thomson” option4=”John Dalton” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2020<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932.
\n<\/section>\n
\nThe discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.
\n<\/section>\n
\nJ. J. Thomson discovered the electron in 1897. Ernest Rutherford, through the gold foil experiment, discovered the atomic nucleus and later identified protons within the nucleus (in 1917-1919). John Dalton is credited with developing the modern atomic theory in the early 19th century.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Neutrons were discovered by [amp_mcq option1=”James Chadwick” option2=”Ernest Rutherford” option3=”J. J. Thomson” option4=”John Dalton” correct=”option1″] This question was previously asked in UPSC NDA-2 – 2020 Download PDFAttempt Online The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of … <\/p>\n

Detailed SolutionNeutrons were discovered by<\/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":[1094],"tags":[1288,1128,1233],"class_list":["post-88672","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1288","tag-physics","tag-scientists-inventions","no-featured-image-padding"],"yoast_head":"\nNeutrons were discovered by<\/title>\n<meta name=\"description\" content=\"The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.\" \/>\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\/neutrons-were-discovered-by\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Neutrons were discovered by\" \/>\n<meta property=\"og:description\" content=\"The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:17:59+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":"Neutrons were discovered by","description":"The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.","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\/neutrons-were-discovered-by\/","og_locale":"en_US","og_type":"article","og_title":"Neutrons were discovered by","og_description":"The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:17:59+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\/neutrons-were-discovered-by\/","url":"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/","name":"Neutrons were discovered by","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:17:59+00:00","dateModified":"2025-06-01T07:17:59+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"The correct answer is (A) James Chadwick. James Chadwick discovered the neutron in 1932. The discovery of the neutron completed the basic understanding of the composition of the atomic nucleus, alongside protons.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/neutrons-were-discovered-by\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/exam.pscnotes.com\/mcq\/"},{"@type":"ListItem","position":2,"name":"UPSC NDA-2","item":"https:\/\/exam.pscnotes.com\/mcq\/category\/upsc-nda-2\/"},{"@type":"ListItem","position":3,"name":"Neutrons were discovered by"}]},{"@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\/88672","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=88672"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88672\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88672"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88672"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88672"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}