How will a ray of light traveling parallel to the principal axis of a concave
mirror be reflected back?
A. Through the vertex of the mirror
B. Through the center of curvature
C. Parallel to the principal axis
D. Through the mirror's focal point
Explanation: Rules of Reflection for Concave Mirrors: Any Incident ray traveling parallel to the principal axis on the way to the mirror will pass through the focal point upon Reflection.
