Modern Physics 1 Question 12
9. A hydrogen atom, initially in the ground state is excited by absorbing a photon of wavelength
(Main 2019, 11 Jan I)
(a)
(b)
(c)
(d)
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Solution:
- We know that net change in energy of a photon in a transition with wavelength
Here,
Since, the energy associated with an electron in
Putting this value in Eq. (i)
and radius of
