Calculate the frequency and wavelength of the radiation in nanometres and when an electron in the hydrogen atom jumps from third orbit
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n1 = 1 (Ground Level)
n2 = 3(Excited state)
Rh = Rydberg constant = 10 973 731.6 m-1λ
= wavelength.v
= frequency.
The and formula we will use is
:Putting values :
1/ λ = 10 973 731.6 * (1 - 1/9)1/ λ
= 10 973 731.6 * 8/91/ λ
= 9754428.09λ
= 1.025 * 10^-7
mUsing v * λ
= c (c c= speed of light = 3 * 10^8)
v = c / λv
= 2.92 * 10^15 sec^-1
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