Home Physics Ray Optics Power of The Lens A person's near point is 50 cm and his far p…
Physics Ray Optics Power of The Lens MCQ (Single Correct)

A person's near point is 50 cm and his far point is 3 m . Power of the lenses he requires for

(i) reading and

(ii) for seeing distant stars are

A
– 2 D and 0.33 D
B
2 D and – 0.33 D
C
– 2 D and 3 D
D
2 D and – 3 D

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Text Solution

Verified by Experts
The correct answer is:
B

For correcting the near point, required focal length

So power

For correcting the far point, required focal length

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