The electrons are emitted in the photoelectric effect from a metal sur – McqOptions

MCQOPTIONS

1.	The electrons are emitted in the photoelectric effect from a metal surface [MP PET 1992]
A.	Only if the frequency of the incident radiation is above a certain threshold value
B.	Only if the temperature of the surface is high
C.	At a rate that is independent of the nature of the metal
D.	With a maximum velocity proportional to the frequency of the incident radiation
Answer» B. Only if the temperature of the surface is high

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