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For a normal eye, the cornea of eye prov...

For a normal eye, the cornea of eye provides a converging power of `40 D` and the least converging power of the eye lens behind the cornea is `20 D`. Using this information, the distance between the retina and the cornea eye lens can be estimated to be

A

2.5 cm

B

1.67 cm

C

1.5 cm

D

5 cm

Text Solution

Verified by Experts

The correct Answer is:
2

P = P1+P2 = 40+ 20 = 60 D
F = `1/P = 1/60` = 0.067 m
F=1.67 cm
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