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What would be the best description of Einstein's explanation of the photoelectric effect?
a. Electrons have a definite mass.
b. Ejection of electrons occurs when the intensity of light increases beyond a certain minimum.
c. Light consists of particles with a definite mass.
d. Light consists of particles with a definite energy.
e. Ejection of electrons from certain metals occurs when the energy of an incident photon is greater than a certain minimum.

Sagot :

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Answer:

(e) Ejection of electrons

Explanation:

The best description of Einstein's explanation of the photoelectric effect is (e) Ejection of electrons from certain metals occurs when the energy of an incident photon is greater than a certain minimum.

Einstein's explanation revolutionized our understanding of light by introducing the concept of light quanta, later called photons. These photons transfer their entire energy to electrons, and if this energy is greater than the binding energy of the electron in the metal (work function), the electron is ejected. The energy of the photon is related to its frequency, so there is a minimum frequency (threshold frequency) required to eject electrons.

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