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Light rays are incident on a plane mirro...

Light rays are incident on a plane mirror as shown below. What is the image distance with proper sign convention?

A

`+20cm`

B

`-20cm`

C

`+40cm`

D

`-40cm`

Text Solution

Verified by Experts

The correct Answer is:
B

Image distance = -20 cm
Hence, the correct option is (b).
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