Power of a lens is the ___________ of its focal length.

Power of a lens is the reciprocal of its focal length.

Explanation

The power of a lens is defined as, the ability of a lens to bend the light falling on it.

A convex lens converges the light rays towards the principal axis while a concave lens diverges the light rays away from the principal axis.

Mathematically it is given as:-

$Power=\frac{1}{focal\ length\ (in\ meters)}$

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Updated on: 10-Oct-2022

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