Emission and Absorption Spectra – Rankers Physics
Topic: Modern Physics
Subtopic: Atomic Structure

Emission and Absorption Spectra

Assertion (A): It is essential that all the lines available in the emission spectrum will also be available in the absorption spectrum.
Reason (R): The spectrum of hydrogen atom is only absorption spectrum.
 
Both (A) & (R) are true and the (R) is the correct explanation of the (A)
Both (A) & (R) are true but the (R) is not the correct explanation of the (A)
(A) is true but (R) is false
Both (A) and (R) are false

Solution:

Absorption lines generally correspond to transitions from the ground state, while emission lines can originate from any excited state. Thus, not all emission lines are necessarily absorption lines (A) is false. Hydrogen atoms can produce both emission and absorption spectra. Thus, (R) is false. Therefore, both (A) and (R) are false.

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