| D
is incorrect because the angle of incidence is not equal to the
angle of reflection. The correct ray diagram for a convex
surface is shown to the right. The parallel light rays line up
with a focal point on the other side of the surface.
A is the reflection from a irregular
surface. Notice that each ray has angle of incidence = angle
of reflection. The light is scattered.
B is the reflection from a concave
surface. Parallel light rays reflect through the focal point.
C is the reflection from a plane
surface. Notice that parallel light rays are reflected
parallel.
The Correct Answer is D.
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