A mark of the surface of sphere `(mu=(3)/(2))` is viewed from a diametrically opposite position. It appears to be at a distance 15 cm from its actual position.Find the radius of sphere.

A mark on the surface of a glass spehre (mu=1.5) is viewed from a diametrically opposite position. It appears to be at a distance 10 cm from its actual position. The radius of the sphere is

A small object stuck on the surface of a glass sphere (mu=4//3) is viewed from the diametrically opposite position find transverse magnification.

A small object stuck on the surface of a glass sphere (n=1.5) is viewed from the diametrically opposite position. Find transverse magnification.

A small object stuck on the surface of a glass sphere (n=1.5) is viewed from the diametrically opposite position. Find transverse magnification.