Question

Which example best illustrates that light behaves like particles?

A. Light bends as it strikes a window.
B. Light bounces off a white cement sidewalk.
C. Light travels in space at a speed of about 3.0 x 108 m/s.
D. Light increases in speed as it moves through matter.

Answer 1

B. Light bounces off a white cement sidewalk.

Answer 2

I would say B. Because actual mass would ricochet off the sidewalk.