A light ray is incident at an angle 45∘ on parallel sided glass slab and emerges out grazing the vertical surface. The refractive index of the slab is

A light ray travelling in a medium of refractive index mu_(1) is incident on a parallel faced glass slab making an angle of theta with the glass surface. The refractive index of the medium on the other side of the glass slab is mu_(3) ( gt mu_(1)) . Find the angular deviation suffered by the light ray.

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

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

A ray of light is incident on a parallel-sided glass slab as shown in the figure. The angle of refraction for this ray of light is likely to be :

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 on the glass plate at an angle of incidence equal to the Brewsters angle (theta_b) . Let n be the refractive index of the glass slab. If the grazing angle for the incident ray be 30^@ , then the angle of refraction will be :

A monochromatic ray is incident on a glass slab with glancing angle 30^@ with the surface. If the refractive index of glass with respect to air is sqrt3 , the angle of refraction in the glass slab is

A light ray is incident at 45^(@) on a glass slab. The slab is 3cm thick, and the refractive index of the glass is 1.5 . What will the displacement of the ray be as a result of its passage through the slab? At what angle will the ray emerge formn the slab?