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CGP EDU Academic Team
Published on: August 22, 2026
The wavelength of the radiation emitted is 
when an electron jumps from the second excited state to the first excited state of hydrogen atom. If the electron jumps from the third excited state to the second orbit of the hydrogen atom, the wavelength of the radiation emitted will be 
. The value of 
is
Text Solution
Verified by ExpertsThe correct answer is:
27
(27) Bohr's energy is given by 
for hydrogen atom.
And 
For 
condition, 
For 
condition, 
ii 
Dividing equation (i) by (ii),
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