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Question

# A convex mirror has a radius of curvature of 22 cm. If an object is placed 14 cm away from the mirror then its image is formed at -

A
6.2 cm on the front side of the mirror
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B
6.2 cm on the back side of the mirror.
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C
51.3 cm on the front of the mirror.
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D
51.3 cm on the back side of the mirror.
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Solution

## The correct option is C 51.3 cm on the front of the mirror.Given, Radius of curvature, R=22cm Focal length. f=R2=−222=−11cm Positon of object, u=−14cm 1f=1v+1u 1−1=1v+1−14 v=−51.33cm Hence, 51.3 cm on the front of the mirror.

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