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JEE Main 2024 (30 Jan, Shift 1) · Energy of the Electron & Energy Levels

Energy of the Electron & Energy Levels question from JEE Main 2024 (30 Jan, Shift 1)

Q15JEE Main 2024 · 30 JAN · SHIFT 1Easy

Energy of the Electron & Energy Levels

The ratio of the magnitude of the kinetic energy to the potential energy of an electron in the 5th excited state of a hydrogen atom is:

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Answer: (c)

In any Bohr orbit $KE = \frac{ke^2}{2r}$ and $|U| = \frac{ke^2}{r}$ .
$\frac{KE}{|U|} = \frac{1}{2}$ , the same for every state (including $n = 6$ ).
So the answer is (c) $\frac{1}{2}$ .

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