define tha power of lens
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Power of lens is the ability to converge or diverge the ray of light falling on it. A lens of small focal length has large power of converging or diverging a parallel beam of light. Unit of power is Diopter (D) Power of lens is 1 diopter if its focal length is 1 m. Consider 2 lenses with focal length.
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Explanation:
Power of lenses are given
The power of lenses are is defined as the reciprocal of the focal length.
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