Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Which of the following statements is correct about photoelectric effect?
1.The number of electrons ejected from metal surface is inversely proportional to intensity of light.
2.Below threshold frequency, photoelectric effect can be observed.
3.At higher frequency than threshold frequency, the ejected electrons have certain kinetic energy.
4.At higher frequency than threshold frequency, the electron is still on the metal surface.
Text Solution
Verified by ExpertsThe correct answer is:
C
Kinetic energy of photoelectrons
symbol
When 
(threshold frequency) 
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