Home Physics Atomic and Nuclear Physics NEET Previous Year Question The figure indicates the energy level diagra…
Physics Atomic and Nuclear Physics NEET Previous Year Question MCQ (Single Correct)

The figure indicates the energy level diagram of an atom and the origin of six spectral lines in emission (e.g., line no. 5 arises from the transition from level to ). Which of the following spectral lines will occur in the absorption spectrum?

A
4, 5, 6
B
1, 2, 3, 4, 5, 6
C
1, 2, 3
D
1, 4, 6.

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The correct answer is:
C

Absorption spectrum involves only excitation of ground level to higher level. Therefore spectral lines 1, 2, 3 will occur in the absorption spectrum.

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