Question

An electromagnetic radiation of frequency n, wavelength ????,
travelling with velocity v in air enters in a glass slab of
refractive index (μ). The frequency, wavelength and velocity
of light in the glass slab will be respectively
(a) n ????/μ and v/μ (b) n,2???? and v/μ
(c) n/μ,????/μ and v/μ (d) 2π/μ, ????/μ and v

Answer 1

Explanation:

frequency remain same