Physics, asked by shamaguptakota, 6 months ago

A person who can see things most clearly at a distance of 10 cm, requires spectacles to enable to see
clearly thinges at a distance of 30 cm. what should be the focal length of the spectacles ?
(A) 15 cm (concave)
(B) 15 cm (convex)
(C) 10 cm
(D) O​

Answers

Answered by darkfox
0

Answer:

A person who can see things most clearly at a distance of 10 cm, requires spectacles to enable to see clearly things at a distance of 30 cm. What should be the focal length of the spectacles? 15 cm (Concave)

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