Question

Calculate the power of convex
lens of focal length 15cm​

Answer 1

Heya!!!

Here is your answer:

We know that

Power= 1/focal length

So,

According to the question

Power of convex lens is 1/15 dioptres

= 0.66 d

Answer 2

the power a lens = 1/ focal length

= 1/ 15

= 0.067

therefore the power of the lens is 0.067.

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