Hydrogen atom is bombarded with electrons accelerated through a p… | JEE Main 2024 Physics PYQ

MCQMediumJEE Main 2024 · 29 January, Shift 2Bohr's Model & Hydrogen Spectrum

Hydrogen atom is bombarded with electrons accelerated through a potential difference $V$ , which causes excitation of hydrogen atoms. If the experiment is performed at $T = 0 \, \text{K}$ , the minimum potential difference needed to observe any Balmer series lines in the emission spectra will be $\alpha/10 \, \text{V}$ , where $\alpha$ is:

A
$121$
B
$150$
C
$135$
D
$110$

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