A glass prism has a refractive angle of `90^(@)` and a refractive index of 1.5. A ray is incident at an angle of `30^(@)`. The ray emerges from an adjacent face at an angle of

The face AC of a prism ABC of refracting angle 30^@ is silvered . A ray is incident on face AB at an angle of 45^@ as shown in figure . The refracted ray undergoes reflection at face AC and retraces its path . The refractive index of the prism is

A ray of light is incident at an angle of 60^(@) on one face of a prism which has refracting angle of 30^(@) . The ray emerging out of the prism makes an angle of 30^(@) with the incident ray. If the refractive index of the material of the prism is mu=sqrt(a) , find the value of a .

The angle of prism is 60^(@) and its refractive index is 1.5. There will be no emergent light if the angle of incidence on the first face is

A ray of light enters the face AB of a glass prism of refractive index mu at an angle of incidence i . Find the value of i such that no ray emerges from the face AC of the prism, given angle of prism is A .

A ray of light the face AB of a glass prism of refractive index mu at an angle of incidence i . Find the value of i such that no ray emerges from the face AC of the prism. Given angle of prism is A .

A ray of light is incident at an angle of 60^(@) on a prism whose refracting angle is 30^(@) . The ray emerging out of the prism when produced backward makes an angle of 30^(@) with the incident ray produced forward. Find the refractive index of the material of the prism.

The cross section of a glass prism mu=2 has the form of an isosceles right-angled triangle. It is submerged in a liquid of refractive index 1.2 . A ray is incident on to one of the equal faces perpendicularly. What is the angle between the direction of incident ray and the ray that emerges from the prism ?

One of the refracting surfaces of a prism of angle of 30^(@) is silvered. A ray of light incident at an angle of 60^(@) retraces its path. The refractive index of the material of prism is