Physics, asked by shobhanathpunjab12, 7 months ago

A person is known to use a lense for correcting his
(i) -7 D for his distant vision
(ii) +3D for his vision
Calculate the focal length of the lens used for correcting his
(a) Distant vision and
(b?) Near vision problem.

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Answered by za6715

3

Answer:

This may help. U dear.. Based on this

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