A) Photoelectric effect can take place from bound electron
B) Photoelectric effect can take place from free electron
C) Photoelectric effect can take place from bounded or free electron
D) Nothing can be said
Correct Answer: B
Solution :
The photoelectric effect is the emission of electrons (free electrons in metal) when light strikes a surface. To escape from the surface, the electron must absorb enough energy from the incident radiation to overcome the attraction of positive ions in the material of the surface.
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