Physics, asked by Venkatesh8004, 1 year ago

A thin lens has a focal length of 25cm.What is the power of the lens.What is its nature

Answers

Answered by Anonymous

3

We have,

f = 25 cm = 0.25 m

so,

Power = 1 /f = 1/0.25 = 100 /25 = 4 D

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