Question

What is meant by power of lens.... ​

Answer 1

Explanation:

If a lens has a shorter focal length it is said to be more powerful. The power of a lens is defined as the reciprocal of the focal length. ... Converging (convex ) lenses have positive focal lengths, so they also have positive power values

Answer 2

Answer:

here you go mate-

If a lens has a shorter focal length it is said to be more powerful. The power of a lens is defined as the reciprocal of the focal length.Converging (convex ) lenses have positive focal lengths, so they also have positive power values.

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