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A person wears glasses of power -2.5 D. ...

A person wears glasses of power `-2.5 D`. Is the person short sighted or long sighted ? What is the far point of the person without glasses ?

A

long-sighted, -40 cm

B

near-sightcd, -40 cm

C

near-sighted, -20 cm

D

long-sighted, -20 cm

Text Solution

Verified by Experts

The correct Answer is:
B
f=far point=`100/p`
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