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MHT CET202121 Sep 2021Evening ShiftPhysicsDual Nature of MatterActual

Photoemission from metal surface take place for frequencies ' v 1 ' and ' v₂ ' of incident rays. If ratio of maximum kinetic energy of photoelectrons is 1: K then threshold frequency of metallic surface is

Options

  1. AK v₂-v₁ ~K -1
  2. Bv₁-v₂ ~K -1
  3. Cv₂-v₁ ~K
  4. DK v₁-v₂ ~K -1

Correct answer

D. K v₁-v₂ ~K -1

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