Physics, asked by sphraba525, 9 months ago

An concave lens has a focal length of 25 cm . what is the power of the lens?

Answers

Answered by simmi1504mir

3

Answer:

focal length = f = 25 cm = 0.25m

power = 1/f (in metres)

power = (1/0.25)m

power = +4 Diopters

Hope the answer was useful...

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