For light incident from air onto a slab of refractive index 2. Maximum possible angle of refraction is,

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle theta . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at angle theta . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is:

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle theta . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle theta . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle theta . The phase difference between the ray reflected by the top surface of the glass and the bottom surface is

A ray of light is incident on a glass slab of refractive index 1.5, making an angle of 40^(@) with the surface. The angle of refraction in glass is