Physics, asked by niatna390, 1 year ago

What is meant by the power of lens a student uses alens of f 40 cm?

Answers

Answered by rohitkumarabc68

0

As we know that power of the lens= 1/f(in m)

So here f= 40cm = 0.4m

Power = 1/0.4 = 2.5 D

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