Near point of an old person is 50 cm from eye. Find the power of corrective lens
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P = 1/f
He is suffering from myopia
Therefore the corrective lens would be concave
P= -100/ 50
P = -2D
He is suffering from myopia
Therefore the corrective lens would be concave
P= -100/ 50
P = -2D
fazilabilal666:
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he is suffering from hypermetropia .
as we know P=1/f in metre ..so.. 1/50=100/50=2/1 ... so the power of corrected lens Will be 2D (dioptre)
as we know P=1/f in metre ..so.. 1/50=100/50=2/1 ... so the power of corrected lens Will be 2D (dioptre)
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