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

1.	The electrons are emitted in the photoelectric effect from a metal surface.
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 the rate of independent of the nature of the metal
D.	None of the above
Answer» B. Only if the temperature of the surface is high

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The electrons are emitted in the photoelectric effect from a metal surface.

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