Diagram below shows lowest four energy levels for an electron in a hypothetical atom.electron i

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12.Atoms

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The diagram below shows the lowest four energy levels for an electron in a hypothetical atom.The electron is excited to the $-1\,eV$ level of the atom and transitions to the lowest energy state by emitting only two photons. Which of the following energies could not belong to either of the photons ? .....$eV$

A

$2$

B

$4$

C

$5$

D

$6$

Solution

$-3$ to $- 7$ is not possible.

Standard 12

Physics

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