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Question: Answered & Verified by Expert
A hydrogen atom in the ground state absorbs, E amount of energy. If the orbital angular momentum of the electron is increased by h2π(h= Plank constant), then the magnitude of ΔE is
PhysicsSemiconductorsTS EAMCETTS EAMCET 2021 (04 Aug Shift 1)
Options:
  • A 12.09eV
  • B 12.75eV
  • C 10.2eV
  • D 13.6eV
Solution:
1918 Upvotes Verified Answer
The correct answer is: 10.2eV
The electron goes to its first excited state (n=2) from the ground state (n=1) after absorbing 10.2 eV energy ∴ Increase in the momentum =h2π

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