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Structure of Atom question

2025 · 23 Jan · Shift 1 · Q19
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Structure of Atom question

2025 · 23 Jan · Shift 1 · Q19

JEE MainChemistryStructure of AtomMCQ+4 / −1
Heat treatment of muscular pain involves radiation of wavelength of about 900 nm . Which spectral line of H atom is suitable for this? Given : Rydberg constant RH=105 cm−1, h=6.6×10−34 J s,c=3×108 m/s)\left.\mathrm{R}_{\mathrm{H}}=10^5 \mathrm{~cm}^{-1}, \mathrm{~h}=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}, \mathrm{c}=3 \times 10^8 \mathrm{~m} / \mathrm{s}\right)RH​=105 cm−1, h=6.6×10−34 J s,c=3×108 m/s)
  1. A
    Lyman series, ∞→1\infty \rightarrow 1∞→1
  2. B
    Balmer series, ∞→2\infty \rightarrow 2∞→2
  3. C
    Paschen series, 5→35 \rightarrow 35→3
  4. D
    Paschen series, ∞→3\infty \rightarrow 3∞→3
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