Physics, asked by sanjana1432, 11 months ago

if the focal length of a lens is 0.2 metre. find the ability with its sign

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Answered by ardabmutiyaar

Answer:

The power of a lens, in dioptre, is the reciprocal of the focal length, when the focal length is expressed in metres. It is given that the focal length is 0.2 m. Therefore, the power is 1/0.2=5 dioptre.

Answered by borahdhiraj36

Answer:

thank

Explanation:

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if the focal length of a lens is 0.2 metre. find the ability with its sign​

Answers

if the focal length of a lens is 0.2 metre. find the ability with its sign