a lens of glass is immersed in water. How is power of lens affected ?

A glass lens is immersed in water. How is power of the lens affected? Justify your answer.

A glass lens is immersed in water. How is power of the lens affected? Justify your answer.

Assertion : If a convex lens of glass is immersed in water its power decreases. Reason : In water it behaves as a concave lens.

Assertion : If a convex lens of glass is immersed in water its power decreases. Reason : In water it behaves as a convex lens.

A convex lens of power P is immersed in water. How will its power change ?

A convex lens, made of glass, is immersed in water. As a result, its focal length will:

A convex lens of glass ( mu = 1.5) is immersed in water. Compared to its power in air, its power in water-