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

question 27

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.

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