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Red light of wavelength 6400 Å in air ha...

Red light of wavelength 6400 Å in air has a wavelength of 4000 Å in glass. If the wavelength of violet light in air is 4400 Å, then the wavelength in glass is

A

2570 Å

B

2750 Å

C

1600 Å

D

2560 Å

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The correct Answer is:
B
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