When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of

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Q: 102 (IAS/2000)
When a CD (Compact Disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of
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question_subject: 

Science

question_exam: 

IAS

stats: 

0,38,58,47,8,3,38

keywords: 

{'cd': [0, 2, 0, 0], 'compact disc': [0, 2, 0, 0], 'sunlight': [0, 0, 1, 0], 'colours': [0, 2, 4, 9], 'refraction': [0, 0, 1, 0], 'diffraction': [0, 2, 2, 9], 'reflection': [1, 1, 2, 19], 'video systems': [0, 1, 0, 0], 'phenomenon': [3, 4, 7, 15]}