An equiconvex lens is made from glass of refractive index 1.5. If the radius of each surface is changed from 5cm to 6cm, then the power

A plano-concave lens is made of glass of refractive index 1.5 an the radius of curvature of its curved surface is 50 cm. What is the power of the lens?

A plano-concave lens is made of glass of refractive index 1.5 and the radius of curvature of its curved face is 100 cm. What is the power of the lens?

A plano-concave lens is made of glass of refractive index 1.5 and the radius of curvature of its curved face is 100 cm. What is the power of the lens?

A plano -concave lens is made of glass of refractive index 1.5 and radius of curvature of its curved face is 100 cm . What is the power of the lens ?

Convex lens is made of glass of refractive index 1.5 If the radius of curvature of each of the two surfaces is 20 cm find the ratio of the powers of the lens, when placed in air to its power, when immersed in a liquid of refractive index 1.25 .

Convex lens is made of glass of refractive index 1.5 If the radius of curvature of each of the two surfaces is 20 cm find the ratio of the powers of the lens, when placed in air to its power, when immersed in a liquid of refractive index 1.25 .

A convex lens is made of glass of refractive index 1.5. If radius of curvature of the each of its two surfaces is 20 cm, find the ratio of power , of lens when placed in air to its power, when immersed inside a liquid of refractive index 1.25 .