When You Use a Self-Focusing Digital Camera, the Photoelectric Effect

Multiple Choice

When you use a self-focusing digital camera, the photoelectric effect occurs when

A) light energy combines with battery energy
B) light energy is converted into electrical current that determines the opening in the lens.
C) light entering the lens is converted to an image on the film.
D) photons are used in an electrochemical process.
E) light energy is reflected by the material it strikes.