define power of Lans and write si unit
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Explanation:
It is defined as the reciprocal of focal length or it is the ability of a lens to bend the rays of light falling on it. Its SI unit is dioptre.
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Answer:
Answer:
Explanation:
It is defined as the reciprocal of focal length or it is the ability of a lens to bend the rays of light falling on it. Its SI unit is dioptre.
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