What is power of lens.
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Power of lens is the ability of the lens to converge the rays of light falling on it. Definition: The power of a lens is the reciprocal of its focal length in meters. It is represented by the letter P. The power P of a lens of focal length f is given by f = 1/P. The SI unit of power is dioptre .
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power of lens is the ability of the lens to converge the Ray's of light falling on it
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