An equilateral prism of refractive index 1.45 is surrounded by water of refractive index 1.33 .A narrow beam of light is incident normally on one face of the prism.Find the direction of the emergent ray.

A rectangular glass slab ABCD of refractive index n_1 is immersed in water of refractive index n2(n1ltn2) . A ray of light is incident at the surface AB of the slab as shwon. The maximum value of the angle of incidence alpha max such that the ray comes out from the other surface CD is given by .

A concave lens made of a material of refractive index mu_g is immersed in a medium of refractive index mu_l , greater than,A paprallel beam of light is incident on the lens. Trace the path of emerged rays

Prism of refractive index 1.53 is placed in water of refractive index 1.33.If the angle of the prism is 60^@ ,calculate the angle of minimum deviation in water.

The refrating angle of a prism is 40^@ and the refractive index of its material is given by mu=1.25 + b/(delta^2) When a ray of light is incident normally on the face AB of the prism,after refraction through the prism,the ray of light just grazes along the face AC as shown in Fig.3.20. If the wavelength of the incident light is 440 nm,find the value of b.

The refrating angle of a prism is 40^@ and the refractive index of its material is given by mu=1.25 + b/(delta^2) When a ray of light is incident normally on the face AB of the prism,after refraction through the prism,the ray of light just grazes along the face AC as shown in Fig.3.20. . Find the critical angle for the material of the prism.

A glass prism of angle 72^@ and refractive index 1.66 is immersed in water of refractive index 1.33Find teh angle of minimum deviation for a parallel beam of light passingh through the prism.

The refractive index of a material of a concave lens is n_1 . It is immersed in medium of refractive index n_2 . A parallel beam of light if incident on the lens. Trace the path of the emergent lays when n_2 > n_1

The refractive index of a material of a concave lens is n_1 . It is immersed in medium of refractive index n_2 . A parallel beam of light if incident on the lens. Trace the path of the emergent lays when n_2 = n_1

The refractive index of a material of a concave lens is n_1 . It is immersed in medium of refractive index n_2 . A parallel beam of light if incident on the lens. Trace the path of the emergent lays when n_2 < n_1 .

A convex lens made of material of refractive index n_1 is kept in a medium of refractive index n_1 . Parallel rays of light are incident on the lens. Complete the path of light emerging from the convex lens, if n_1 > n_2