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De Broglie's Hypothesis

Three photons...

Question

Three photons coming from emission spectra of hydrogen sample are picked up. Their energies are 12.1eV, 10.2eV and 1.9eV. These photons must come from

A

a single atom

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B

two atoms

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C

three atom

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D

either two atoms or three atoms

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Solution

The correct option is B two atoms
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