{"id":92725,"date":"2025-06-01T11:31:22","date_gmt":"2025-06-01T11:31:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=92725"},"modified":"2025-06-01T11:31:22","modified_gmt":"2025-06-01T11:31:22","slug":"stand-alone-xbls-machines-at-airports-commonly-work-on-the-principle","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/stand-alone-xbls-machines-at-airports-commonly-work-on-the-principle\/","title":{"rendered":"Stand Alone XBlS machines at airports commonly work on the principle"},"content":{"rendered":"

Stand Alone XBlS machines at airports commonly work on the principle of<\/p>\n

[amp_mcq option1=”ion mobility spectrometry” option2=”gas chromatography” option3=”backscatter technology” option4=”electromagnetic radiation” correct=”option3″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC CISF-AC-EXE – 2019<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nXBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. While standard systems use transmission X-ray technology, advanced “stand-alone” machines, particularly for security screening, often incorporate backscatter technology. Backscatter X-rays provide a different view of the object’s composition and density compared to transmission images, helping to detect organic materials and distinguish layers. Ion mobility spectrometry (A) and gas chromatography (B) are used for trace detection of substances (like explosives or narcotics), not for imaging the bulk contents of baggage. Electromagnetic radiation (D) is too broad a term as X-rays are one form of electromagnetic radiation, but ‘backscatter technology’ describes a specific principle used in X-ray imaging for this purpose.
\n<\/section>\n
\n– XBIS machines use X-rays to scan baggage.
\n– Transmission X-ray imaging passes X-rays through the object and detects those that penetrate.
\n– Backscatter X-ray imaging detects the X-rays that are scattered back towards the source, providing information about the surface and composition of the object.
\n– Many modern security X-ray scanners use both transmission and backscatter techniques for enhanced detection.
\n<\/section>\n
\nBackscatter technology is particularly effective at highlighting organic materials like explosives, drugs, and food, which can be difficult to discern in standard transmission images.
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Stand Alone XBlS machines at airports commonly work on the principle of [amp_mcq option1=”ion mobility spectrometry” option2=”gas chromatography” option3=”backscatter technology” option4=”electromagnetic radiation” correct=”option3″] This question was previously asked in UPSC CISF-AC-EXE – 2019 Download PDFAttempt Online XBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. While … <\/p>\n

Detailed SolutionStand Alone XBlS machines at airports commonly work on the principle<\/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":[1089],"tags":[1119,1099,1115],"class_list":["post-92725","post","type-post","status-publish","format-standard","hentry","category-upsc-cisf-ac-exe","tag-1119","tag-indian-polity-and-governance","tag-miscellaneous","no-featured-image-padding"],"yoast_head":"\nStand Alone XBlS machines at airports commonly work on the principle<\/title>\n<meta name=\"description\" content=\"XBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. While standard systems use transmission X-ray technology, advanced "stand-alone" machines, particularly for security screening, often incorporate backscatter technology. Backscatter X-rays provide a different view of the object's composition and density compared to transmission images, helping to detect organic materials and distinguish layers. Ion mobility spectrometry (A) and gas chromatography (B) are used for trace detection of substances (like explosives or narcotics), not for imaging the bulk contents of baggage. Electromagnetic radiation (D) is too broad a term as X-rays are one form of electromagnetic radiation, but 'backscatter technology' describes a specific principle used in X-ray imaging for this purpose. - XBIS machines use X-rays to scan baggage. - Transmission X-ray imaging passes X-rays through the object and detects those that penetrate. - Backscatter X-ray imaging detects the X-rays that are scattered back towards the source, providing information about the surface and composition of the object. - Many modern security X-ray scanners use both transmission and backscatter techniques for enhanced detection.\" \/>\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\/stand-alone-xbls-machines-at-airports-commonly-work-on-the-principle\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Stand Alone XBlS machines at airports commonly work on the principle\" \/>\n<meta property=\"og:description\" content=\"XBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. While standard systems use transmission X-ray technology, advanced "stand-alone" machines, particularly for security screening, often incorporate backscatter technology. Backscatter X-rays provide a different view of the object's composition and density compared to transmission images, helping to detect organic materials and distinguish layers. Ion mobility spectrometry (A) and gas chromatography (B) are used for trace detection of substances (like explosives or narcotics), not for imaging the bulk contents of baggage. Electromagnetic radiation (D) is too broad a term as X-rays are one form of electromagnetic radiation, but 'backscatter technology' describes a specific principle used in X-ray imaging for this purpose. - XBIS machines use X-rays to scan baggage. - Transmission X-ray imaging passes X-rays through the object and detects those that penetrate. - Backscatter X-ray imaging detects the X-rays that are scattered back towards the source, providing information about the surface and composition of the object. - Many modern security X-ray scanners use both transmission and backscatter techniques for enhanced detection.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/stand-alone-xbls-machines-at-airports-commonly-work-on-the-principle\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T11:31:22+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":"Stand Alone XBlS machines at airports commonly work on the principle","description":"XBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. 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Electromagnetic radiation (D) is too broad a term as X-rays are one form of electromagnetic radiation, but 'backscatter technology' describes a specific principle used in X-ray imaging for this purpose. - XBIS machines use X-rays to scan baggage. - Transmission X-ray imaging passes X-rays through the object and detects those that penetrate. - Backscatter X-ray imaging detects the X-rays that are scattered back towards the source, providing information about the surface and composition of the object. - Many modern security X-ray scanners use both transmission and backscatter techniques for enhanced detection.","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\/stand-alone-xbls-machines-at-airports-commonly-work-on-the-principle\/","og_locale":"en_US","og_type":"article","og_title":"Stand Alone XBlS machines at airports commonly work on the principle","og_description":"XBIS (X-ray Baggage Inspection Systems) machines work by using X-rays to create images of the contents of luggage. 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