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 these
Answer:A
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 these