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BITSAT 2023Paper 1
Exam
BITSAT
Year
2023
Paper
Paper 1
Subject
Physics
Chapter
Dual Nature of Matter

BITSAT 2023 · Paper 1 · Physics · Dual Nature of Matter

The energy levels of an atom is shown is figure. Which one of these...

The energy levels of an atom is shown is figure. Which one of these transitions will result in the emission of a photon of wavelength 124.1 nm124.1 \mathrm{~nm} ? Given \left(\mathrm{h}=6.62 \times 10^{-34} \mathrm{Js}\right)$
The energy levels of an atom is shown is figure. Which one of these transitions will result in the emission of a photon

Options

  1. AB
  2. BA
  3. CC
  4. DD

Correct answer

D. D

Step-by-step solution

As E(eV)=1240λ(nm)=1240124.1≃10eV\mathrm{E}(\mathrm{eV})=\frac{1240}{\lambda(\mathrm{nm})}=\frac{1240}{124.1} \simeq 10 \mathrm{eV}
Only is transition (D), the energy gap is 10eV10 \mathrm{eV} So, option (d) is correct
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