A ray of light travelling in air is incident on a parallel-sided glass slab(or rectangular glass slab). Draw a ray-diagram indiciating the change in its path in glass.

A ray of light travelling in air is incident on a rectangular glass slab. What will happen?

A beam of light travellig in a reactangular glass slab emerges into air. Draw a ray-diagram indicating the change in its path.

A ray of light travelling in air is incident on the surface of glass slab at an angle of 40^(@) . If the ray is deviated through 18^(@) , determine critical angle for the glass-air interface.

White light is incident normally on a glass slab. Inside the glass slab,

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 :

Lateral displacement of ray passing through a glass slab A ray of light is incident on a parallel sided glass slab of refractive index n and thickness t as shown in Fig. 34-2. Find the lateral displacement of the ray as it passes through the slab.

A ray of light travelling in air incident on a rectangular glass block and emerges out into the air from the opposite face. Draw a labelled ray diagram to show the complete path of this ray of light. Mark the two points where the refractions of light takes place. What can you say about the final direction of ray of light?

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 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