A point source `S` is placed at the bottom of different layers as shown is figure,the refractive index of bottommost layer is `mu_(0)` The refractive index of any other upper layer is
`mu(n)=mu_(0)-(mu_(0))/(4pi-18)` where `n=1,2,.....`
A ray of light starts form the source `S` as shown. Total internal reflection takes place at the upper surface of a layer haing `n` equal to

A point source S is placed at the bottom of different layers as shown in the figure. The refractive index of bottom most layer is mu_(0) . The refractive index of any other upper layer is mu(n)=mu_(0)-(mu_(0))/(4n-18) where n=1,2………….A ray of light with angle i slightly more than 30^(@) starts from the source S. Total internal reflection takes place at the upper surface of a layer having n equal to

The refractive index of an anisotropic medium varies as mu=mu_(0)sqrt((x+1)) , where 0lexlea . A ray of light is incident at the origin just along y-axis (shown in figure). Find the equation of ray in the medium .

Find the angle of deviation suffered by the light ray shown in figure. The refractive index mu= 2.0 for the prism material.

Find the angle of deviation suffered by the light ray shown in figure. The refractive index mu= 2.0 for the prism material.

A prism of glass (mu=1.5) is dipped in to water as shown in the figure. If the refractive index of water is 4/3, then the incident ray will be totally reflected if

A prism of glass (mu=1.5) is dipped in to water as shown in the figure. If the refractive index of water is 4/3, then the incident ray will be totally reflected if

A transparent cube of side d, made of a material of refractive index mu_(2) , is immersed in a liquid of refractive index mu_(1)(mu_(1)ltmu_(2)) . . A ray is incident on the face AV at an angle theta (shown in the figure). Total internal refraction takes place at point E on the face BC. Then must satisfy: