Physics, asked by deilinabshadap, 1 year ago

if the power of lens is + 5 dioptre what is the focal length

Answers

Answered by mananjain735

3

Answer: 0.2m=20 cm

Explanation:

The relation between power of a lens and its focal length is

$f=\frac{1}{P}$

In this case, P=+5D, which yields f=0.2m=20cm

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