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An object is placed at a distance of 25 ...

An object is placed at a distance of 25 cm from a spherical mirror, its image is formed behing the mirror at a distance of 5 cm. The focal length and type mirror is

A

`+6.25` cm, concave

B

`-6.25` cm, concave

C

`+6.25` convex

D

`-6.25` cm, convex

Text Solution

Verified by Experts

The correct Answer is:
C
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