What is the speed of light in a dense medium of polarising angle `30^@`?

What is the value of refractive index of a medium of polarising angle 60^@ ?

What is the value of refractive index of a medium of polarising angle 60^@ ? (mu = sqrt3 = 1.732) .

Calculate the speed of light in a medium whose critical angle is 180^@ .

State the condition of total internal reflection. Calculate the speed of light in the medium whose critical angle of 45^@ .

The refractive index of glass is 1.5. What is the speed of light in glass? (Speed of light in vacuum is 3.0 × 10^8 m s )

Explain what is meant by: polarising angle.