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(a) What is meant by ‘power …

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(a) What is meant by ‘power of a lens’? (b) State and define the S.I. unit of power of a lens. (c) A convex lens of focal length 25 cm and a concave lens of focal length 10 cm are placed in close contact with each other. Calculate the lens power of this combination.

Posted by Adrija Saha 3 years, 8 months ago

CBSE > Class 10 > Science

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Posted by Pandey Ji 5 months, 3 weeks ago

CBSE > Class 10 > Science