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Question 21121
NEET Chemistry · Hard

Structure of Atom: Photoelectric link MCQ

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Photoelectric linkHardQuestion 21121

Question

Threshold frequency in photoelectric effect means:

  1. A
    Minimum frequency needed to eject electrons
    Correct
  2. B
    Maximum frequency emitted by source
  3. C
    Frequency at which intensity is zero
  4. D
    Frequency equal to wavelength

Correct answer

Minimum frequency needed to eject electrons

Explanation

Below threshold, photons lack sufficient energy.

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