Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose?

\(\left[\mathrm{R}_{\mathrm{H}}=1 \times 10^{5} \mathrm{~cm}^{-1}, \mathrm{~h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^{1} \mathrm{~ms}^{-1}\right]\)

Question

Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which spectral line of H-atom is suitable for this purpose?

\(\left[\mathrm{R}_{\mathrm{H}}=1 \times 10^{5} \mathrm{~cm}^{-1}, \mathrm{~h}=6.6 \times 10^{-34} \mathrm{Js}, \mathrm{c}=3 \times 10^{1} \mathrm{~ms}^{-1}\right]\)

Accepted Answer

(A) Paschen, 5 → 3

Heat treatment of muscular pain involves radiation of wavelength of about 900 nm. Which…

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