The critical angle for water is `48.2^@`. Find is refractive index.

The critical angle for a medium is 60^(@) . The refractive index of the medium is

Find the value of critical angle for a material of refractive index sqrt(3) .

If critical angle for a material to air is 30^(@) , the refractive index of the material will be

Define critical angle and give its relation with refractive index.

A glass slab has a critical angle of 30^(@) when placed in air. What will be the criticle angle when it is placed in liquid of refractive index 6/5 index?

The critical angle i_(C) is given by [ mu is the refractive index of optically denser medium with respect to air ]

What is critical angle for a material of refractive index sqrt(2) ?

When a glass slab is placed in air, its critical angle is 30^(@) . What will be the critical angle when it is immersed in water whose refractive index is 1.33?

Find the critical angle of a denser medium of refractive index 1.65 for its interface with air (sin^(-1) (0.6061) 37^(@).18' ).