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Question: Answered & Verified by Expert
In photoelectric effect, the electrons are ejected from metals if the incident light has a certain minimum
PhysicsDual Nature of MatterAIIMSAIIMS 2006
Options:
  • A wavelength
  • B frequency
  • C amplitude
  • D angle of incidence.
Solution:
2700 Upvotes Verified Answer
The correct answer is: frequency
Minimum energy i.e. minimum frequency is needed.

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