33 A 33 B 34 A 34 B 34 C

Lakhmir Singh & Manjit Kaur - Physics

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33 A 33 B 34 A 34 B 34 C

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Q. 34 C4.1( 7 Votes )

An eye has a far

Class 10th Lakhmir Singh & Manjit Kaur - Physics 6. The Human Eye and The Colourful World

Answer :

This is a case of short sightedness. Concave lens of focal length 2m should be used to curb this defect. The power of this lens should be:

Power = 1/focal length

Power = 1/(-2)

Power = -0.5 D.

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