A parallel beam of light is incident normally on the flat surface of a hemisphere of radius `6 cm` and refractive index `1.5`, placed in air as shown in figure (i). Assume paraxial ray approxiamtion.
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A parallel beam of light is incident on the surface of a transparent hemisphere of radius R and refractive index 2.0 as shown in figure. The position of the image formed by refraction at the first surface is :

A parallel narrow beam of light is incident on the surface of a transparent hemisphere of radius R and refractive index mu=1.5 as shown. The position of the image formed by refraction at the image formed by refraction at the spherical surface only as

When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism =1.5

AN unpolarised beam of light is incident at the polarising angle on the surface of a transparent medium of refractive index 1.6. The angle of refraction in the medium is

A ray of light is incident normally on one face of 30^(@) - 60^(@) - 90^(@) prism of refractive index 5/3 immersed in water of refractive index 4/3 as shown in figure .

A ray of light is incident on the surface of plate of glass of refractive index 1.5 at the polarising angle. The angle of refraction of the ray will be

A ray of light is incident on the surface of a glass plate of refractive index 1.6 at polarzing angle. Calculate the angles of reflection and refraction.