In the photoelectric effect, electrons are emitted

1.	In the photoelectric effect, electrons are emitted
A.	At a rate that is independent of the emitter
B.	At a rate that is proportional to the square of the amplitude of the incident radiation
C.	With a maximum velocity proportional to the frequency of incident radiation
D.	Only if the frequency of the incident radiation is above a threshold value
Answer» E.

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In the photoelectric effect, electrons are emitted

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