Question
An object is placed at a distance of 20 cm from a convex mirror. Its image is formed at a distance of 10 cm from the mirror. The magnification is ____.
- -1.5
- 1.5
- 0.5
- -0.5
Hint:
0.5
The correct answer is: 0.5
m=image distance/object distance
m=10/20
=0.5
Magnification of a convex mirror is always positive.
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