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Get Answers to all your Questions
A person is not able to read from a book until he keeps it at 50cm. determine the power of corrective lens
Answers (1)
Since the person is able to read clearly from a distance of 50 cm,
focal length required = 50 cm = 0.5m
Now using
Power=1/f
Where f is in meter
we get
So the Power of corrective lens is 2D
View full answer
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