{"id":55721,"date":"2024-04-16T00:32:13","date_gmt":"2024-04-16T00:32:13","guid":{"rendered":"https:\/\/exam.pscnotes.com\/mcq\/?p=55721"},"modified":"2024-04-16T00:32:13","modified_gmt":"2024-04-16T00:32:13","slug":"how-many-mechanisms-are-there-which-causes-absorption","status":"publish","type":"post","link":"https:\/\/exam.pscnotes.com\/mcq\/how-many-mechanisms-are-there-which-causes-absorption\/","title":{"rendered":"How many mechanisms are there which causes absorption?"},"content":{"rendered":"

[amp_mcq option1=”One” option2=”Three” option3=”Two” option4=”Four” correct=”option3″]<\/p>\n

The correct answer is C. Two.<\/p>\n

The two mechanisms that cause absorption are:<\/p>\n

    \n
  1. Fluorescence:<\/strong> This is the emission of light by a substance after it has absorbed light of a higher energy.<\/li>\n
  2. Phosphorescence:<\/strong> This is the emission of light by a substance after it has absorbed light of a higher energy, but the emission of light continues after the source of the excitation light has been removed.<\/li>\n<\/ol>\n

    Fluorescence is a very common phenomenon, and it is used in many different applications, such as in fluorescent lamps and in the detection of certain chemicals. Phosphorescence is less common than fluorescence, but it is still used in some applications, such as in glow-in-the-dark materials.<\/p>\n

    The following is a brief explanation of each option:<\/p>\n

      \n
    • Option A: One. This is incorrect because there are two mechanisms that cause absorption.<\/li>\n
    • Option B: Three. This is incorrect because there are only two mechanisms that cause absorption.<\/li>\n
    • Option C: Two. This is the correct answer because there are two mechanisms that cause absorption.<\/li>\n
    • Option D: Four. This is incorrect because there are only two mechanisms that cause absorption.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"

      [amp_mcq option1=”One” option2=”Three” option3=”Two” option4=”Four” correct=”option3″]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[684],"tags":[],"class_list":["post-55721","post","type-post","status-publish","format-standard","hentry","category-optical-communication","no-featured-image-padding"],"yoast_head":"\nHow many mechanisms are there which causes absorption?<\/title>\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\/how-many-mechanisms-are-there-which-causes-absorption\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How many mechanisms are there which causes absorption?\" \/>\n<meta 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