A Point Source Is to Be Used with a Concave

Multiple Choice

A point source is to be used with a concave mirror to produce a beam of parallel light.The source should be placed:

A) as close to the mirror as possible
B) at the center of curvature
C) midway between the center of curvature and the focal point
D) midway between the center of curvature and the mirror
E) midway between the focal point and the mirror