Physics · 2025
JEE Main · 3 April 2025, Shift 2 · Q50
An electron in the hydrogen atom initially in the fourth excited state makes a transition to n^th energy state by emitting a photon of energy 2.86…
An electron in the hydrogen atom initially in the fourth excited state makes a transition to $\displaystyle \mathrm{n}^{\text {th }}$ energy state by emitting a photon of energy $\displaystyle 2.86$ eV . The integer value of n will be $\displaystyle \_\_\_\_$.
Official answer
From NTA’s final answer key for this paper.
2
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.