Question:medium

The ratio of the kinetic energies of the electrons in the third and fourth excited states of hydrogen atom is

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Remember: $n$-th excited state means the principal quantum number is $(n+1)$. KE $\propto 1/n^2$, PE $\propto -1/n^2$, TE $\propto -1/n^2$.
Updated On: Mar 26, 2026
  • 4:3
  • 16:9
  • 25:16
  • 5:4
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The Correct Option is C

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