A person cannot see the objects beyond 600 cm. Find the power of lens he should use to correct this defect.
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Answer:
P = -0.16 D
Explanation:
Defect is myopia
u = infinity
v = -600 cm
1/f = 1/v -1/u
1/f = -1/600
f = -600cm or -6m
➩ Power of lens
★ P = 1/f
⟹ P = -1/6
⟹ P = -0.16 D
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