Dual Nature Of Light Question 244

Question: The electrons are emitted in the photoelectric effect from a metal surface [MP PET 1992]

Options:

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

Show Answer

Answer:

Correct Answer: A

Solution:

Refer to threshold frequency.