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A body is locatyed on a wall. Its image ...

A body is locatyed on a wall. Its image of equal size is to be obtained on parallel wall with the help of a convex lens. The lens is placed at a distance d ahead of second wall, then the required focal length will be

A

Only `d/4`

B

Only `d/2`

C

More than `d/4` but less than `d/2`

D

Less than or equal to `d/4`

Text Solution

Verified by Experts

The correct Answer is:
D
For image formation `f le d//4`
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