define power of lens what is it's units
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Power of lens is the ability of the lens to converge the rays of light falling on it.
It can also be defined as P=1/f
where f is the focal length.
S.I. unit of power is D(Dioptre).
It is represented by letter 'P'
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Answer:
Power of lens is the ability of the lens to converge the rays of light falling on it. It can also be defined as P=1/f where f is the focal length. S.I. unit of power is D(Dioptre). It is represented by letter 'P'.
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