Verified Solution • 2025–26 Session moderate

QPage 383: Q2: HC Verma: Concepts of Physics - Volume 2 Bohr's Model and Physics of the Atom Page 383: Q2 Solution: Three photons coming from excited atomic-hydrogen sample are…

Three photons coming from excited atomic-hydrogen sample are picked up. Their energies are 12.1 eV, 10.2 eV and 1.9 eV. These photons must come from

Multiple Choice Options

  • A a single atom
  • B two atoms
  • C three atoms
  • D either two atoms or three atoms

Step-by-Step Verified Solution

**Answer:** (d) either two atoms or three atoms. **Step-by-Step Explanation:** The three photons could come from two atoms (one emits two photons, the other emits one) or three atoms (each emits one).

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