A ray of light is incident on a refracting face of glass prism of refracting angle `30^@`. If the ray emerges normally from the second refracting surface, the angle of incidence is refracting surface, the angle of incidence is
`[""_(a)mu_(g) = 1.5]`

A ray of light is emerged from a prism of refracting angle 70^(@) . If the angle of refraction in the first refracting surface is 28^(@) , what is the angle of incidence at the second face?

A ray of light is incident normally on one of the refracting surfaces of prism of refracting angle 60^@ . The emergent ray grazes the other refracting surface. The refractive index of the material of the prism is

A ray of light is incident normally on one of the refracting surfaces of a prism of refracting angle A,. The emergent ray grazes the other refracting surface. Find the refractive index of the material ofprism.

A ray of light is incident normally on one face of a prism of refracting angle A. After travelling through prism, the ray emerges from the second refracting surface making an angle of deviation of delta . The refractive index of the material of prism is

A ray of light is incident on the surface of a glass plate of refractive index 1.536 at the polarising angle.Calculate the angle of refraction.

A ray of light is incident at small angle I on the surface of prism of small angle A and emerges normally from the oppsite surface. If the refractive index of the material of the prism is mu, the angle of incidence is nearly equal to