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A thin convex lens of focal length 'f' i...

A thin convex lens of focal length 'f' is put on a plane mirror as shown in the figure . When an object is kept at a distance 'a' from the lens - mirror combination , its image is formed at a distance `(a)/(3)` in front of the combination . The value of 'a' is :-

A

f

B

3f

C

`3/2 f`

D

`2f`

Text Solution

Verified by Experts

The correct Answer is:
D
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