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The change in focal length of an eye len...

The change in focal length of an eye lens is caused by the action of the

A

Pupil

B

Iris

C

Cornea

D

Ciliary body.

Text Solution

Verified by Experts

The correct Answer is:
D
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Knowledge Check

  • The focal length of a lens is -50 cm. The nature and power of the lens is

    A
    convex, -1D
    B
    concave, -2D
    C
    convex,+1D
    D
    concave, +2D

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