A person wants a real image of his own, 3 times enlarged. Where should he stand infront of a concave mirror of radius of curvature 
?
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
: As radius of curvature (R) is negative for a concave mirror, so
The focal length of the mirror is
As the person wants his real enlarged image, so magnification, 
or 
According to mirror formula
-ve sign shows that the person should stand infront of the mirror.
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