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A person cannot see objects clearly beyo...

A person cannot see objects clearly beyond 2.0 m . The power of lens required to correct his vision will be

A

`+ 0.5 D `

B

`-0.5 D `

C

`+ 0.2 D `

D

`-0.2 D `

Text Solution

Verified by Experts

The correct Answer is:
B

This person is suffering from myopia and needs a concave lens. So, power of the lens would be in negative.
`P= (1)/(f) =(1)/(2) m = 0.5 D`
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