21. [1pt] Which of the following statements are true for the photoelectriceffect

Question

21. [1pt]
Which of the following statements are true for the photoelectriceffect? Give all the correct answers, e.g., enter ABC.

A) The maximum kinetic energy of the ejected electrons increaseslinearly with the frequency of the incident light.
B) The maximum kinetic energy of the ejected electrons increaseslinearly with the intensity of the incident light.
C) The number of electrons that are ejected per second increaseswith the number of incoming photons per second.
D) The frequency of the incoming photons must be larger than acertain minimum value in order to eject electrons from themetal.

Answer:

Explanation / Answer

A) The maximum kinetic energy of the ejectedelectrons increases linearly with the frequency of the incidentlight. B) The maximum kinetic energy of the ejected electrons increaseslinearly with the intensity of the incident light. C) The number of electrons that are ejected per second increaseswith the number of incoming photons per second. D) The frequency of the incoming photons must belarger than a certain minimum value in order to eject electronsfrom the metal.

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