Which of the following statements best describes the relation between quantum theory and the photoelectric effect experiment?
A) The photoelectric effect contradicts quantum theory.
B) Quantum theory explains the photoelectric effect.
C) Quantum theory has no bearing on the photoelectric effect.
D) The photoelectric effect explains quantum theory.

Question

Quizplus · Accepted Answer

Quantum theory, specifically the concept of quantized energy levels introduced by Planck and further developed by Einstein, explains the photoelectric effect by showing that light can be thought of as particles (photons) with quantized energy, which can eject electrons from a material when they have sufficient energy.

Which of the Following Statements Best Describes the Relation Between