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AP EAMCET · PHYSICS · Atomic Physics

The ratio of minimum wave length of Balmer series to maximum wavelength in Brackett series in hydrogen spectrum is

  1. A 25:16
  2. B 4:36
  3. C 9:100
  4. D 100:9
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Correct Answer

(C) 9:100

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For hydrogen atom, \(\frac{1}{\lambda}=\mathrm{R}\left(\frac{1}{\mathrm{n}_1^2}-\frac{1}{\mathrm{n}_2^2}\right)\) For Balmer series, \(\mathrm{n}_1=2, \mathrm{n}_2=3,4,5, \ldots . \infty\)…
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