The critical angle between and equilateral prism and air is `45^(@)`. If the incident ray is perpendicular to the refracting surface, then

The critical angle between an equilateral prism and air is 45^@ . If the incident ray is perpendicular to the refracting surface, then

The critical angle between an equilateral prism and air is 45^@ . If the incident ray is perpendicular to the refracting surface, then

The critical angle for the material of a prism is 45^@ and its refracting angle is 30^@ . A monochromatic ray goes out perpendicular to the surface of emergence from the prism. What is the angle of incidence on the prism ?

The critical angle for the material of a prism is 45^(@) and its refractive angle is 30^(@) . A monochromatic ray goes out perpendicular to the surface of emergence from the prism. Then the angle of incidence on the prism will be

The refracting angle of a glass prism is 30^@. A ray is incident onto one of the faces perpendicular to it. Find the angle delta between the incident ray and the ray that leaves the prism. The refractive index of glass is mu=1.5.

The refracting angle of a glass prism is 30^@. A ray is incident onto one of the faces perpendicular to it. Find the angle delta between the incident ray and the ray that leaves the prism. The refractive index of glass is mu=1.5.

The refracting angle of a glass prism is 30^@. A ray is incident onto one of the faces perpendicular to it. Find the angle delta between the incident ray and the ray that leaves the prism. The refractive index of glass is mu=1.5.

The angle of incidence for an equilateral prism of refractive index sqrt(3) so that the ray is parallel to the base inside the prism is