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Bohr's Model of a Hydrogen Atom

The differenc...

Question

The difference in energy between I and II Bohr orbit for a hydrogen atom is:

A

10.2 e V

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B

10.6 e V

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C

11.5 e V

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D

11.8 e V

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Solution

The correct option is A $10.2 e V$
In hydrogen atom, the energy of the electron in the first and second Bohr orbit is 13.6 eV and 3.4 eV respectively.
The difference in the energy in the two orbits is $13.6 e V - 3.4 e V = 10.2 e V$ .

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