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Reported Question / Answer
Q.) When a beam of light (wavelength = 450 nm),originally travelling in air, enters a piece of glass (index of refraction 1/50), what will happen to its frequency?
1)
It gets reduced to 1/3 of its original value
2)
It increases by a factor of 1.50
3)
It gets unaffected
4)
It gets increased by a factor of 3
5)
NULL
Answer :
3
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