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An object O is placed in front of a smal...

An object O is placed in front of a small plane mirror `M_(1)` and a large convex mirror `M_(2)` of focal length f. The distance between O and `M_(1)` is x and the distance between `M_(1)` and `M_(2)` is y. The images of O formed by `M_(1)` and `M_(2)` coincide. The magnitude of f is

A

`x-y`

B

`(x^2-y^2)/(2y)`

C

`(x^2+y^2)/(2y)`

D

`(x^2+y^2)/(x+y)`

Text Solution

Verified by Experts

The correct Answer is:
B
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