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Structure of Atom question

2019 · 11 Jan · Shift 1 · Q7
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Structure of Atom question

2019 · 11 Jan · Shift 1 · Q7

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 purpose? [RH = 1 ×\times× 105 cm–1, h = 6.6 ×\times× 10–34 Js, c = 3 ×\times× 108 ms–1]
  1. A
    Balmer, ∞→\infty \to∞→ 2
  2. B
    Paschen, 5 →\to→ 3
  3. C
    Paschen, ∞→\infty \to∞→ 3
  4. D
    Lyman, ∞→\infty \to∞→ 1
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