Physics, asked by vikasgugnani5908, 11 months ago

A convex lens has a focal length of 40 cm. Calculate its power

Answers

Answered by rexmanikar

2

Focal length = +40cm

= +0.4m

Therefore,

Power = 1/f

= 1/0.4

= 10/4 = +2.5D:- ANS

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