Question:
A short straight object of height $100 \mathrm{~cm}$ lies before the central axis of a spherical mirror whose focal length has absolute value $|f|=40 \mathrm{~cm}$. The image of object produced by the mirror is of height $25 \mathrm{~cm}$ and has the same orientation of the object. One may conclude from the information:
Correct Option: , 4
Solution:
Since orientation is same image is virtual. Since image is smaller the mirror has to be convex
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