Assertion: It is not essential that all the lines available in the emission spectrum will also be available in the absorption spectrum.
Reason: The spectrum of hydrogen atom is only absorption spectrum.

Options

A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If assertion is false but reason is true.

Answer

C

Explanation

Emission transitions can take place between any higher enegry level and any enegry level below it while absorption transitions start form the lowest enegry level only and end at any higher enegry level. Hence number of absorption transitions between two given energy levels is always less than the number of emission transitions between same two levels.