Bohr model Original Scenario-Based Practice

Questions

1. 1.

   A miniaturized research probe named Chronos navigates the interior of a hydrogen atom, monitoring an electron orbiting the central proton. The probe's sensors detect that the electron remains stable in specific concentric pathways without losing energy, but suddenly absorbs an incoming photon and jumps from the $n = 1$ level to the $n = 3$ level. Moments later, the electron drops to the $n = 2$ level, releasing a burst of light into the detector. According to the postulates of the Bohr atomic model, which statement accurately explains the electron's observed behavior?

   • A) The electron continuously radiates electromagnetic energy while circling within any single orbit, gradually losing altitude toward the nucleus.
   • B) The energy of the photon absorbed during the jump from $n = 1$ to $n = 3$ is strictly less than the energy of the photon released when dropping from $n = 3$ to $n = 2$.
   • C) The electron can remain indefinitely at any arbitrary distance between $n = 1$ and $n = 3$ by absorbing fractions of a photon's energy.
   • D) The electron occupies only discrete, non-radiating stationary orbits, and the photon emitted during the downward transition has an energy equal to the difference between the two levels.

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