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प्रश्न
A man wearing glasses of focal length +1 m cannot clearly see beyond 1 m
विकल्प
if he is farsighted
if he is nearsighted
if his vision is normal
in each of these cases
MCQ
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उत्तर
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.
shaalaa.com
Optical Instruments: the Eye
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