far point of a myopic person is 40 cm. what type of lens should he wear so as to see the distant object clearly ? calculate the focal length and the power of lens he should use .
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Answered by
24
He should be use concave lens for this vision..
p=1/f
40=1/f
f=1/40
p=1/f
40=1/f
f=1/40
Answered by
10
Myopia is the disease,which have to be controlled by wearing Concave lens
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