Chemistry · 2025
JEE Main · 29 January 2025, Shift 1 · Q52
If a_0 is denoted as the Bohr radius of hydrogen atom, then what is the de-Broglie wavelength (λ) of the electron present in the second orbit of…
If $\displaystyle \mathrm{a}_0$ is denoted as the Bohr radius of hydrogen atom, then what is the de-Broglie wavelength $\displaystyle (\lambda)$ of the electron present in the second orbit of hydrogen atom ? [n : any integer]
Official answer
From NTA’s final answer key for this paper.
(4)
$\displaystyle \frac{8 \pi \mathrm{a}_0}{\mathrm{n}}$
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JEE Main 2025 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.