The near point and far point of a person are 40 cm and 250 cm, respectively.

The Near Point And Far Point Of A Person Are Physics Question

The near point and far point of a person are 40 cm and 250 cm, respectively. Determine the power of the lens he/she should use while reading a book kept at distance 25 cm from the eye.

Options

(a) 2.5 D
(b) 5 D
(c) 1.5 D
(d) 3.5 D

Correct Answer:

1.5 D

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Ray Optics (94)
Subject: Physics (2479)

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