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AP EAMCET2015PhysicsAtomic Physics

The ratio of longest wavelength lines in the Balmer and Paschen series of hydrogen spectrum is

Options

  1. A5 36
  2. B7 20
  3. C7 144
  4. D5 27

Correct answer

B. 7 20

Step-by-step solution

On dividing Eq. (B) by Eq. (A), we get _ B L _ P L = 7 20

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