The figure indicates the energy level diagram of an atoms and the origin of six spectrum lines in emission (e.g line no.5 arises from the transition from level B to A) Which of the following spectral lines will occur in the absorption spectrum?
A
4,5,6
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B
1,2,3,4,5,6
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C
1.2.3
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D
1,4,6
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Solution
The correct option is C1.2.3 The absorption lines are obtained when the electron jumps from ground state (n=1) to the higher energy states. Thus only 1,2 and 3 lines will be obtained.