Q.

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 B to A). The following spectral lines will also occur in the absorption spectrum

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a

1,2,3,4,5,6

b

4,5,6

c

1,2,3

d

1,4,6

answer is C.

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Detailed Solution

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.

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