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If 9.9 eV energy is supplied to H atom, the no. of spectral lines emitted is equal to-

If 9.9 eV energy is supplied to H atom, the no. of spectral lines emitted is equal to-

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1 Answers

Arun
25763 Points
3 years ago
 
 
9.9 eV taken to be approx. as 10 then number of spectral lines  could be =>
n(n-1)/2 = 10
we get,
n^2 – n -20 = 0 
on solving the quadratic we get,
 n = 5.
5 spectral lines are possibly emitted.
 
Hope it helps
 
Regards
Arun (askIITians forum expert)

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