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An object is placed at a distance of 20 ...

An object is placed at a distance of 20 cm from a concave mirror of focal lenght 10 cm. What is the image distance?

A

`+20cm`

B

`+10 cm`

C

`-20 cm`

D

`-10 cm`

Text Solution

Verified by Experts

The correct Answer is:
C
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