At what position will an object be placed in front of a concave mirror in order to obtain an image at infinity?
-
A.
At the pole of the mirror -
B.
At the principal focus -
C.
at the center of the curvature -
D.
Between the principal focus and the center of curvature
Correct Answer: Option B
Explanation
For a concave mirror to produce an image at infinity, the image has to be place at the principal focus of the mirror