Physics, asked by sreevani2386, 11 months ago

What is the focal length of a convex lens having power + 5.0 d?

Answers

Answered by gauravarduino

3

Explanation:

we know, power of a lens is reciprocal of its focal length. hence, focal length of convex lens should be 20cm, if power of it is 5D.

Answered by Anonymous

26

hey...Focal length f=1/p=1/5=0.2m

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