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A beam of monochromatic light of wavelen...

A beam of monochromatic light of wavelength 6000 Å in air enters water of refractive index `""_(a)n_(w)=(4)/(3)`. What is its wavelength in water ?

A

3500Å

B

4000Å

C

4500Å

D

5000Å

Text Solution

Verified by Experts

The correct Answer is:
C
`lambda_m=(lambda_a)/(""_a n_w)=(6000)/(4//3)=4500Å`
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MARVEL PUBLICATION-WAVE THEORY OF LIGHT AND POLARISATION -TEST YOUR GRASP -10
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