Question

find power of a convex lens having focal length 25 cm.​

Answer 1

Answer:

The power of the convex lens is +4 D.

We need to find the power of convex lens of focal length 25 cm. The inverse of focal length equals power of a lens. So, So, the power of the convex lens is +4 D.

Answer 2

Explanation:

The power of the convex lens is +4 D.

We need to find the power of convex lens of focal length 25 cm. The inverse of focal length equals power of a lens. So, So, the power of the convex lens is +4 D.