A ray of light passes from air to glass `(mu = 1.5)` at an angle of `30^@` .Calculate angle of refraction.

A ray of light is incident on the glass prism at an angle of 40^@ .Find the angle of emergence,if the angle of prism is 60^@ and refractive index.

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.

Refractive indices of water and glass are 4//3 and 3//2 respectively.A ray of light travelling in water is incident on the water-glass interface at 30^@ .Calculate the angle of refraction.

A ray of light passes through an equilateral glass prism,such that angle of incidence is equal to the angle of emergence.If the angle of emergence is 3//4 times the angle of prism,calculate the refractive index of the glass prism.

A ray of light passes through an equilateral glass prism, such that angle of incidence is equal to the angle of emergence. If the angle of emergence is 3//4 times angle of prism, calculate the refractive index of the glass prism.

A ray of lght strikes a glass plate at an angle of incidence 57^@ .If the reflected and refracted rays are perpendicular to each other,find the refractive index of glass.

A ray of light incident on an equilateral glass prism shows minimum deviation of 30^@ .Calculate speed of light through the glass prism.

A ray of light is reflected at angle 30^@ .If the angle of incidence becomes double,then angle of reflection will be

A ray of light suffers minimum deviation,while passing through a prism of refractive index 1.5 and refracting angle 60^@ ,calculate the angle of deviation and angle fo incidence.