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Define power of lens and define its unit? |
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Answer» Diopter P-1/f It is the reciprocal of the focal length of lens. Its unit is dioptre. 1 dioptre is the power of lens having focal length 1 m Diopetre Reciprocal of it\'s focal length is called power of lens.SI unit is diopter. Right Reciprocal of focal length is known as power of lens and unit is diopter Power of lens Is reciprocal of focal length in m...and it\'s unit is diopter |
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