JEE Main 2022 Physics question
A hydrogen atom in its ground state absorbs 10.2 eV of energy. The angular momentum of electron of the hydrogen atom will increase by the value of: (Given, Planck's constant = Js).
Answer: (2)
Solution
The energy of the electron becomes −13.6 + 10.2 = −3.4 eV = , so n = 2. The angular momentum is
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