Optics Question 751

Question: Electromagnetic radiation of frequency n, wavelength λ , travelling with velocity v in air, enters a glass slab of refractive index μ . The frequency, wavelength and velocity of light in the glass slab will be respectively

[CBSE PMT 1997]

Options:

A) nμ,λμ,vμ

B) n,λμ,vμ

C) n,λ,vμ

D) nμ, λμ,v

Show Answer

Answer:

Correct Answer: B

Solution:

Frequency does not change with medium but wavelength and velocity decrease with the increase in refractive index.



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