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The power of a lens is its ability to bend light – the greater the power the greater the refraction of light. The power of a lens is also related to the focal length by the following formula: p is equal to 1 by f.Power of a lens is measured in Dioptres (D).please mark this the brainiest..
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SI unit of power is dioptre
power is the reciprocal of focal length in metres.
P= 1
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