Chemistry - Atomic Structure Question with Solution | TestHub

ChemistryAtomic StructureSpectrumMedium2 minQB

ChemistryMediumsingle choice

The first emission line in the H-atom spectrum in the Paschen series will have wave number :-

Answer:

Solution:

Paschen series: $n_{1} = 3$ . The first line is $n_{2} = 4$ .

Wave number = R(1/9 - 1/16) = 7R/144.

Answer: (C).

Stream:JEESubject:ChemistryTopic:Atomic StructureSubtopic:Spectrum

⏱ 2mℹ️ Source: QB

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