Question

द फोकल लेंथ ऑफ कॉन्वेक्स लेंस इज 40 कैलकुलेट इट्स पावर​

Answer 1

Answer:

0.025

Explanation:

The power of convex lens is

= P = 1/ f

= P = 1/40

= P = 0.025

As this is the power of convex lens so it will be positive

= P = + 0.025

Hope it helps

Answer 2

Answer:

if the focal length is 40 meter....then the power is +1/40 dioptre