{"id":88355,"date":"2025-06-01T07:08:38","date_gmt":"2025-06-01T07:08:38","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=88355"},"modified":"2025-06-01T07:08:38","modified_gmt":"2025-06-01T07:08:38","slug":"which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/","title":{"rendered":"Which one of the following waves is used for detecting forgery in curr"},"content":{"rendered":"

Which one of the following waves is used for detecting forgery in currency notes ?<\/p>\n

[amp_mcq option1=”Ultraviolet waves” option2=”Infrared waves” option3=”Radio waves” option4=”Microwaves” correct=”option1″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-2 – 2017<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nMany modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features.
\n<\/section>\n
\n– Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes.
\n– These features are difficult to replicate by counterfeiters.
\n<\/section>\n
\nInfrared (IR) waves are also used in some advanced currency verification systems, as some inks have specific absorption or reflection properties in the IR spectrum. However, UV light inspection is a more common and basic method for detecting forgery in widely circulated currency. Radio waves and Microwaves are not typically used for visual security checks on currency notes.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which one of the following waves is used for detecting forgery in currency notes ? [amp_mcq option1=”Ultraviolet waves” option2=”Infrared waves” option3=”Radio waves” option4=”Microwaves” correct=”option1″] This question was previously asked in UPSC NDA-2 – 2017 Download PDFAttempt Online Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include … <\/p>\n

Detailed SolutionWhich one of the following waves is used for detecting forgery in curr<\/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":[1101,1128,1274],"class_list":["post-88355","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-2","tag-1101","tag-physics","tag-wave-motion","no-featured-image-padding"],"yoast_head":"\nWhich one of the following waves is used for detecting forgery in curr<\/title>\n<meta name=\"description\" content=\"Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features. - Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes. - These features are difficult to replicate by counterfeiters.\" \/>\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-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Which one of the following waves is used for detecting forgery in curr\" \/>\n<meta property=\"og:description\" content=\"Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features. - Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes. - These features are difficult to replicate by counterfeiters.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T07:08:38+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 one of the following waves is used for detecting forgery in curr","description":"Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features. - Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes. - These features are difficult to replicate by counterfeiters.","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-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/","og_locale":"en_US","og_type":"article","og_title":"Which one of the following waves is used for detecting forgery in curr","og_description":"Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features. - Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes. - These features are difficult to replicate by counterfeiters.","og_url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/","og_site_name":"MCQ and Quiz for Exams","article_published_time":"2025-06-01T07:08:38+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-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/","url":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/","name":"Which one of the following waves is used for detecting forgery in curr","isPartOf":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#website"},"datePublished":"2025-06-01T07:08:38+00:00","dateModified":"2025-06-01T07:08:38+00:00","author":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/#\/schema\/person\/5807dafeb27d2ec82344d6cbd6c3d209"},"description":"Many modern currency notes incorporate security features that are visible under ultraviolet (UV) light. These features often include fluorescent threads, watermarks, or specific inks that glow or change color when exposed to UV radiation. Checking currency notes under UV light is a common method used to detect counterfeits that lack these specialized security features. - Ultraviolet (UV) light is used to reveal fluorescent security features in currency notes. - These features are difficult to replicate by counterfeiters.","breadcrumb":{"@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/exam.pscnotes.com\/mcq\/which-one-of-the-following-waves-is-used-for-detecting-forgery-in-curr\/#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 one of the following waves is used for detecting forgery in curr"}]},{"@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\/88355","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=88355"}],"version-history":[{"count":0,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/posts\/88355\/revisions"}],"wp:attachment":[{"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/media?parent=88355"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/categories?post=88355"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/exam.pscnotes.com\/mcq\/wp-json\/wp\/v2\/tags?post=88355"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}