Electromagnetic Field Theory - Engineering

Q1:

Refractive index of glass is 1.5. Find the wavelength of a beam of light with a frequency of 1014 Hz in glass. Assume velocity of light is 3 x 108 m/sec in vacuum.

A 4 μm

B 3 μm

C 2 μm

D 1 μm

ANS:C - 2 μm

Given, μ = 1.6, f = 1014 Hz, v = 3 x 108 m/sec.