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NEST2025PhysicsDual Nature of Matter

Monochromatic light from a discharge tube containing dilute gas of hydrogen atoms falls on platinum metal which has a work function of 5.65 eV . The energy of the fastest photoelectrons is 6.45 eV . This corresponds to

Options

  1. Athe change in the angular momentum of the H atom is of magnitude h .
  2. Bthe electronic transiton from the state n=2 to n=1 .
  3. Cthe electronic transition from the state n=5 to n=2 .
  4. Dthe change in the angular momentum of the H atom is of magnitude h 2 .

Correct answer

A. the change in the angular momentum of the H atom is of magnitude h .

Step-by-step solution

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