A parallel beam of monochromatic light is incident on a glass slab at an angle of `35^@`. The ratio of width of beam in glass to that in air is [ `mu_g = 1.5`]

A paralel beam of monochromatic light is incident on a glass slab at an angle of incidentce 45^@ . Find the ratio of width of beam in glass to that in air ( If refractive index of glass is 1.5).

A paralel beam of monochromatic light is incident on a glass slab at an angle of incidentce 45^@ . Find the ratio of width of beam in glass to that in air ( If refractive index of glass is 1.5).

An parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^@ . Find the ratio of the width of the beam in glass to that in air, if the refractive index of glass is 1.5.

A parallel beam of monochromatic light is incident on a glass slab at an angle of incidence 60^(@) . Find the ratio of width of the beam in the glass to that in the air if refractive index of glass is 3//2 .

A beam of white light is incident on a hollow prism of glass. Then

A beam of white light is incident on a hollow prism of glass. Then

A ray of monochromatic light is incident from air on a glass slab. Name the two rays that are parallel to each other.