MCQ
A man wearing glasses of focal length +1 m cannot clearly see beyond 1 m
Options
if he is farsighted
if he is nearsighted
if his vision is normal
in each of these cases
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Solution
in each of these cases
The man is wearing glasses of positive power (converging lens). Hence, he cannot see nearby objects clearly. In other words, he is farsighted. Since he cannot see beyond 1 m, he is nearsighted. If a person with normal vision wears glasses of focal length +1 m, then the person will not be able to see beyond 1 m.
Concept: Optical Instruments - The Eye
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