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Q.

In a discharge tube, there are only two hydrogen atoms. If the electrons in both atoms are de-exciting from 4" orbit. The maximum number of spectral lines of different λ (wave length)should respectively be

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answer is 4.

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Detailed Solution

For maximum spectral lines, any two possibility
may be considered
Hence, max. no. of spectral lines = 4
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In a discharge tube, there are only two hydrogen atoms. If the electrons in both atoms are de-exciting from 4" orbit. The maximum number of spectral lines of different λ (wave length)should respectively be