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1900's Physics and Wave

How much ener...

Question

How much energy is needed to ionize a hydrogen atom if electron is present in n=1 orbit?

A

10.2 eV

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B

3.4eV

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C

1 eV

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D

13.6 eV

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Solution

The correct option is D
13.6 eV

Energy of 1^st Bohr Orbit of hydrogen is -13.6 eV.

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