Question

An image of small size can be obtained on a screen placed at 2.0 m from object. It can be done
by using.
(A) concave mirror of focal length 0.5 m
(B) concave mirror of focal length greater than 0.5 m
(C) concave mirror of focal length less than 0.5 m
(D) concave lens of focal length less than 0.5 m.

Answer 1

option C - concave mirror of focal length less than .5 m