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Questions  

What will be the height of image when an object of 2 mm is placed on the axis of a convex mirror at a distance 20 cm of radius of curvature 40 cm 

a
20 mm
b
10 mm
c
6 mm
d
1 mm

detailed solution

Correct option is D

IO=ff−u⇒I2=2020+20=12⇒I=1mm

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