{"id":87746,"date":"2025-06-01T06:53:22","date_gmt":"2025-06-01T06:53:22","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=87746"},"modified":"2025-06-01T06:53:22","modified_gmt":"2025-06-01T06:53:22","slug":"which-of-the-following-are-the-primary-colours-of-light","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-the-primary-colours-of-light\/","title":{"rendered":"Which of the following are the primary colours of light ?"},"content":{"rendered":"

Which of the following are the primary colours of light ?<\/p>\n

[amp_mcq option1=”Yellow, Red and Green” option2=”Blue, Red and Green” option3=”Violet, Red and Yellow” option4=”Indigo, Violet and Green” correct=”option2″]<\/p>\n

\n
\n
This question was previously asked in<\/div>\n
UPSC NDA-1 – 2021<\/div>\n<\/div>\n
Download PDF<\/a>Attempt Online<\/a><\/div>\n<\/div>\n
\nThe primary colours of light are Blue, Red, and Green.
\n<\/section>\n
\nPrimary colours of light are those colours that cannot be produced by mixing other colours of light, and from which a wide range of other colours can be created by mixing. In additive colour mixing (mixing of light), the primary colours are Red, Green, and Blue (RGB). This is the basis for how colours are displayed on screens (TVs, monitors, phones).
\n<\/section>\n
\nThe combination of the three primary colours of light in equal proportions results in white light. Combining any two primary colours produces a secondary colour: Red + Green = Yellow, Red + Blue = Magenta, Green + Blue = Cyan. These secondary colours of light are the primary colours of pigment (in subtractive mixing).
\n<\/section>\n","protected":false},"excerpt":{"rendered":"

Which of the following are the primary colours of light ? [amp_mcq option1=”Yellow, Red and Green” option2=”Blue, Red and Green” option3=”Violet, Red and Yellow” option4=”Indigo, Violet and Green” correct=”option2″] This question was previously asked in UPSC NDA-1 – 2021 Download PDFAttempt Online The primary colours of light are Blue, Red, and Green. Primary colours of … <\/p>\n

Detailed SolutionWhich of the following are the primary colours of light ?<\/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":[1110,1153,1128],"class_list":["post-87746","post","type-post","status-publish","format-standard","hentry","category-upsc-nda-1","tag-1110","tag-optics","tag-physics","no-featured-image-padding"],"yoast_head":"\nWhich of the following are the primary colours of light ?<\/title>\n<meta name=\"description\" content=\"The primary colours of light are Blue, Red, and Green. Primary colours of light are those colours that cannot be produced by mixing other colours of light, and from which a wide range of other colours can be created by mixing. In additive colour mixing (mixing of light), the primary colours are Red, Green, and Blue (RGB). This is the basis for how colours are displayed on screens (TVs, monitors, phones).\" \/>\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-are-the-primary-colours-of-light\/\" \/>\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 are the primary colours of light ?\" \/>\n<meta property=\"og:description\" content=\"The primary colours of light are Blue, Red, and Green. Primary colours of light are those colours that cannot be produced by mixing other colours of light, and from which a wide range of other colours can be created by mixing. In additive colour mixing (mixing of light), the primary colours are Red, Green, and Blue (RGB). This is the basis for how colours are displayed on screens (TVs, monitors, phones).\" \/>\n<meta property=\"og:url\" content=\"https:\/\/exam.pscnotes.com\/mcq\/which-of-the-following-are-the-primary-colours-of-light\/\" \/>\n<meta property=\"og:site_name\" content=\"MCQ and Quiz for Exams\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-01T06:53:22+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":"Which of the following are the primary colours of light ?","description":"The primary colours of light are Blue, Red, and Green. 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