What is the power of a converging lens of focal length 25cm?
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Here is your answer:
focal length=25cm
=0.25m
Power of lens=1÷focal length
=1÷0.25=4
Power of lens =4
Hope it helps
focal length=25cm
=0.25m
Power of lens=1÷focal length
=1÷0.25=4
Power of lens =4
Hope it helps
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