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Line Spectra

A beam of 1...

Question

A beam of $13.0 e V$ electrons is used to bombard gaseous hydrogen. The series obtained in emission spectra is/are

A

Lyman series

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B

Balmer series

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C

Brackett series

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D

All of these

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Solution

The correct option is D All of these
For $13.0 e V$ we can expect emissions from any of the lines, Lyman, Balmer, Paschen , Brackett, Pfund, since all their energies lie within $13 e V$ .

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