A ray of light is incident at an angle of `60^@` on one face of a rectangular glass slab of thichness 0.1 m and refractive index 1.5.Calculate the lateral shift produced.

A ray of light is incident on the glass prism at an angle of 40^@ .Find the angle of emergence,if the angle of prism is 60^@ and refractive index.

A ray of light is incident normally on one of the faces of a prism of apex angle 30^@ and refractive index sqrt2 .Find the angle of deviation for the ray of light.

A ray of light is incident on the surface of a glass plate of refractive index 1.536 at the polarising angle.Calculate the angle of refraction.

A ray of light is incident at an angle of 60^@ on the first face of a prism of an angle 30^@ .The ray emergingn out of the prism makes an angle of 30^@ with the incident ray as shown in Fig.3.13. . calculate the refractive index of the material of the prism.

A ray of light incident at 49^@ on the face of an equilateral prism passes symmetrically.Calculate thr efractive index of the material of the prism.

A ray is incident at an angle of incidence i on one surface of a prism of small angle A and emerges normally from the opposite surface. If the refractive index of the material of the prism is mu , the angle of incidence i is nearly equal to

A narrow beam of light is incident normally on one face of a glass prism having refractive index 1.48 . Find the angle of prism if the ray makes a grazing emergence along the other face. Draw a diagram showing the path of rays.

A prism is made of glass of unknown refractive index. A parallel beam of light is incident on a face of the prism. The angle of minimum deviation is measured to be 40^@ . What is the refractive index of the material of the prism? The refracting angle of the prism is 60^@ . If the prism is placed in water (refractive index 1.33), predict the new angle of minimum deviation of a parallel beam of light.

The radius of curvature of each face of a biconcave lens made of glass of refractive index 1.5 is 30 cm. Calculate the focal length of the lens is air.

A beam of light composed of red and greeen ray is incident obliquely at a point on the face of rectangular glass slab.When coming out on the opposite parallel face,the red and green ray emerge from