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What is power of lens ?and …

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What is power of lens ?and si unit also ?

Posted by Boss Is Always Right 5 years, 11 months ago

CBSE > Class 10 > Science

3 answers

Bablu Kumar Sharma 5 years, 11 months ago

Power of lens is the reciprocal of the focal length. And its si unit is dioptre.

Bhumika Jindal 5 years, 11 months ago

Reciprocal of focal length is known as power of lens . SI Unit is dioptre

Shreya ... 5 years, 11 months ago

It is the ability to converge or diverge light rays. It is defined as the reciprocal of focal length. It's SI unit is Dioptre.

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