Heat treatment of muscular pain involves radiation of wavelength… | JEE Main 2025 Chemistry PYQ

MCQEasyJEE Main 2025 · 23 January, Shift 1Bohr Model & Hydrogen Spectrum

Heat treatment of muscular pain involves radiation of wavelength of about $900 \, \text{nm}$ . Which spectral line of H atom is suitable for this? Given: Rydberg constant $R_H = 10^5 \, cm^{-1}$ , $h = 6.6 \times 10^{-34} \, J \, s$ , and $c = 3 \times 10^8 \, m/s$

A
Paschen series, $\infty \to 3$
B
Lyman series, $\infty \to 1$
C
Balmer series, $\infty \to 2$
D
Paschen series, $5 \to 3$

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