{"id":88652,"date":"2025-06-01T07:17:35","date_gmt":"2025-06-01T07:17:35","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88652"},"modified":"2025-06-01T07:17:35","modified_gmt":"2025-06-01T07:17:35","slug":"which-of-the-following-statements-is-not-correct-regarding-the-travel","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/","title":{"rendered":"Which of the following statements is NOT correct regarding the travel"},"content":{"rendered":"<p>Which of the following statements is NOT correct regarding the travel of sound waves ?<\/p>\n<p>[amp_mcq option1=&#8221;Sound waves can travel through water&#8221; option2=&#8221;Sound waves can travel through air&#8221; option3=&#8221;Sound waves can travel through steel&#8221; option4=&#8221;Sound waves can travel through vacuum&#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-2 &#8211; 2020<\/div>\n<\/div>\n<div class=\"pyq-exam-psc-buttons\"><a href=\"\/pyq\/pyq-upsc-nda-2-2020.pdf\" target=\"_blank\" class=\"psc-pdf-button\" rel=\"noopener\">Download PDF<\/a><a href=\"\/pyq-upsc-nda-2-2020\" target=\"_blank\" class=\"psc-attempt-button\" rel=\"noopener\">Attempt Online<\/a><\/div>\n<\/div>\n<section id=\"pyq-correct-answer\">\nSound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum.<br \/>\n<\/section>\n<section id=\"pyq-key-points\">\n&#8211; Sound propagates through a medium by causing vibrations in the particles of that medium.<br \/>\n&#8211; In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.<br \/>\n<\/section>\n<section id=\"pyq-additional-information\">\n&#8211; Options A, B, and C state that sound waves can travel through water (liquid), air (gas), and steel (solid), respectively. These statements are correct as these are all forms of matter that can act as mediums for sound transmission.<br \/>\n&#8211; This is why sound cannot be heard in outer space, which is essentially a vacuum.<br \/>\n<\/section>\n","protected":false},"excerpt":{"rendered":"<p>Which of the following statements is NOT correct regarding the travel of sound waves ? [amp_mcq option1=&#8221;Sound waves can travel through water&#8221; option2=&#8221;Sound waves can travel through air&#8221; option3=&#8221;Sound waves can travel through steel&#8221; option4=&#8221;Sound waves can travel through vacuum&#8221; correct=&#8221;option4&#8243;] This question was previously asked in UPSC NDA-2 &#8211; 2020 Download PDFAttempt Online Sound &#8230; <\/p>\n<p class=\"read-more-container\"><a title=\"Which of the following statements is NOT correct regarding the travel\" class=\"read-more button\" href=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/#more-88652\">Detailed Solution<span class=\"screen-reader-text\">Which of the following statements is NOT correct regarding the travel<\/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":[1288,1128,1147],"class_list":["post-88652","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1288","tag-physics","tag-sound","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 NOT correct regarding the travel<\/title>\n<meta name=\"description\" content=\"Sound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum. - Sound propagates through a medium by causing vibrations in the particles of that medium. - In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.\" \/>\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-not-correct-regarding-the-travel\/\" \/>\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 NOT correct regarding the travel\" \/>\n<meta property=\"og:description\" content=\"Sound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum. - Sound propagates through a medium by causing vibrations in the particles of that medium. - In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:17:35+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 NOT correct regarding the travel","description":"Sound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum. - Sound propagates through a medium by causing vibrations in the particles of that medium. - In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.","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-not-correct-regarding-the-travel\/","og_locale":"en_US","og_type":"article","og_title":"Which of the following statements is NOT correct regarding the travel","og_description":"Sound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum. - Sound propagates through a medium by causing vibrations in the particles of that medium. - In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:17:35+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-not-correct-regarding-the-travel\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/","name":"Which of the following statements is NOT correct regarding the travel","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:17:35+00:00","dateModified":"2025-06-01T07:17:35+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Sound waves are mechanical waves, which means they require a medium (like solid, liquid, or gas) to travel. They cannot travel through a vacuum. - Sound propagates through a medium by causing vibrations in the particles of that medium. - In a vacuum, there are virtually no particles, so there is no medium for the sound waves to propagate through.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-statements-is-not-correct-regarding-the-travel\/#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":"Which of the following statements is NOT correct regarding the travel"}]},{"@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\/88652","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=88652"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88652\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88652"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88652"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}