First slide

Spherical/Curved mirrors

Question

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

Moderate

A

20 mm
B

10 mm
C

6 mm
D

1 mm

Solution

$\frac{I}{O} = \frac{f}{f - u} \Rightarrow \frac{I}{2} = \frac{20}{20 + 20} = \frac{1}{2} \Rightarrow I = 1 mm$

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