A photographer might use a light meter to make sure she has enough light for
a good photograph. The meter absorbs light and provides a current that
moves the needle on the meter. How does this phenomenon support the
particle model of light?
A. It is the result of constructive interference.
B. It is the result of the photoelectric effect.
C. It is the result of the diffraction of a beam of light.
D. A light meter is a blackbody radiator.