Guest

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-

Grade:

1 Answers

Arun
25750 Points
5 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)

Think You Can Provide A Better Answer ?

ASK QUESTION

Get your questions answered by the expert for free