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An object is placed at a distance u from...

An object is placed at a distance u from an equiconvex lens such that the distannce between the object and its real image is minimum. The focal length of the lens is f. The value of u is

A

`oo`

B

1.5 f

C

2f

D

4f

Text Solution

Verified by Experts

The correct Answer is:
C
(c ) For real image, object sould be placed at distance 2f.
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