A parallel beam of light is incident on a liquid surface such that the wave front makes an angle `30^(@)` with the surface and has a width `sqrt(3)`m,the width of the refracted beam is `(mu_(L)=sqrt(3))`

A ray of light is incident on a surface of glass slab at an angle 45^@ . If the lateral shift produced per unit thickness is 1//sqrt3 , the angle of refraction produced is

A circular beam of light (diameter d) falls on a plane surface of a liquid. The angle of incidence is 45^(@) and refractive index of the liquid is mu . The diameter of the refracted beam is

In a prism of small angle A, a beam of light is incident on its surface at an angle of incidence i and leaves the opposite surface of it is angle of 90^(@) with the surface. If prism material has refractive index of m then the value of angle of incidence will be:

A parallel beam of light emerges from the opposite surface of the sphere when a point source of light lies at the surface of the sphere. The refractive index of the sphere is

A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. By rotating the prism, the minimum angle of deviation is measured to be 40^@ . What is the refractive index of the prism ? If the prism is placed in water (mu = 1.33) , predict the new angle of minimum deviation of the parallel beam. The refracting angle of prism is 60^@ .

An upolarized light beam is incident on a surface at an angle of incidence equal to Brewster's angle. Then,

A ray of light incidents on a refracting surface at 30^(@) with the surface . If the angle of refraction is 45^(@) refractive index of the medium is

A ray of light is incident on one face of a prism ( m= sqrt(3) ) at an angle of 60^@ . The refracting angle of the prism is also 60^@ . Find the angle of emergence .

A parallel narrow beam of light is incident on the surface of a transparent hemisphere of radius R and refractive index mu=1.5 as shown. The position of the image formed by refraction at the image formed by refraction at the spherical surface only as

A ray of light is incident on the surface of a glass plate of refractive index sqrt(3) at the polarising angle . The angle of incidence and angle of refraction of the ray is