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Bohr Energy Levels

Easyphysics

Energy of nth level of hydrogen atom En equals?

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About This Question

Subject
physics
Chapter
atoms and nuclei
Topic
bohr energy levels
Difficulty
Easy
Year
2025
Tags
BohrEnergyHydrogen

Solution

Correct Answer:

-13.6/n² eV

  1. Bohr's Theory: According to Bohr's model for the hydrogen atom, the energy of an electron in the orbit is quantized.
  2. Energy Formula: The total energy is given by:
  3. For Hydrogen: Since for hydrogen, the formula simplifies to:
  4. Significance: The negative sign indicates that the electron is bound to the nucleus. As increases, the energy becomes less negative (higher energy).

This easy difficulty physics question is from the chapter atoms and nuclei, covering the topic of bohr energy levels. It appeared in the 2025 exam.

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