A parallel beam of light is incident at an angle of `60^@` on a glass plate surface and the reflected beam is completely polarised. What is the agle of refraction? Also calculate the refractive index of glass.

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.

What is the Brewster angle for air to glass transition? (Refractive index of glass = 1.5.)

At what angle of incidence will the light reflected from glass (=1.5) be completely polarised?

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.

This angle of incidence at which relfeted ligth is totally polarised for reflection from air to glass(refractive index mu ),is:

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

A beam of unpolarised ligth is incident on a glass-air interface. Showing a suitable ray diagram,that light reflected from the interface is totally polarised,when mu=tan i_B ,Where mu is the refractive index of glass with respect to air and i_B is the Brewster's angle.

A ray of light incident on the horizontal surface of a glass slab t 70^@ just grazes the adjacent vertical surface after refraction. Compute the critical angle and refractive index of the glass.

A ray of light is incident at the glass-water interface at an angle i. It merges finally parallel to the surface of the water. Then, the value of mu_g would be(where mu_g is the refractive index of glass with respect to water)