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Hydrogen Spectrum MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 25, 2023 25:23 PM | #NEET
Quick Facts
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Line spectrum of hydrogen is considered one the most difficult concept.
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20 Questions around this concept.
Solve by difficulty
Paschen series and Bracket series lies in region
The wavelength (in nm) of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be
$\left(\right.$ Rydberg constant $\left.=1.097 \times 10^7 \mathrm{~m}^{-1}\right)$
In the hydrogen atom, an electron transits from the second to the first excited state and then to the ground state. Determine the spectral series that these transitions fall under.discover the ratio of the radiation's emission's wavelengths in the two scenarios.
Concepts Covered - 1
Line spectrum of hydrogen
Line Spectrum of Hydrogen-like atoms
Where R is called Rhydberg constant, R = 1.097 X 107, Z is atomic number
n1= 1, 2, 3….
n2= n1+1, n1+2 ……
Lyman Series spectrum:
Where
n1= 1 and n2= 2, 3, 4....
This lies in Ultraviolet region.
Balmer Series Spectrum:
Where n1= 2 and n2= 3, 4, 5, 6....
It lies in visible region.
Paschen, Bracket and Pfund Series spectrums:
these lies in Infrared Region.
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