Physics, asked by Vaishvi532, 1 year ago

Focal length of a lens is 25 cms. what is its power?

Answers

Answered by Sunitaratawa23

1

Power = 1/focal length
1/25 = power
Power = 1/25 =0.04 diopters.

Answered by OoINTROVERToO

2

Focal length of a lens = 25 cm or 0.25 m

Power = 1/ Focal length

Power = 1 / 0.25

Power = + 4 D

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