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The near point and far point of a person...

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

A

2.5 D

B

5.0 D

C

1.5 D

D

3.5 d

Text Solution

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The correct Answer is:
C
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