A point object is situated at a distance of 36 cm from the centre of the sphere of radius 12 cm and refractive index 1.5. Locate the position of the image due to refraction through sphere.

A point object is placed at the centre of a glass sphere of radius 6cm and refractive index 1.5. The distance of virtual image from the surface is

A point object is placed at the center of a glass sphere of radius 6cm and refractive index 1.5. The distance of virtual image from the surface is

An object is at a distance of d=2.5 cm from the surface of a glass sphere with a radius R=10 cm. Find the position of the final image produced by the sphere. The refractive index of glass is mu_1.5.

A glass dumbbell of length 30 cm and refractive index 1.5 has ends of radius of curvature 3cm . A point object is situated at a distance of 12 cm from one end of dumbbell. Find the position of the image formed due to refraction ai one end only.