Home Physics Atomic and Nuclear Physics Balmer Series,Bohr Atomic Structure Whenever hydrogen atom emits a photon in the…
Physics Atomic and Nuclear Physics Balmer Series,Bohr Atomic Structure MCQ (Single Correct)

Whenever hydrogen atom emits a photon in the Balmer series –

A
It may emit another photon in the Balmer series
B
It must emit another photon in the Lyman series
C
The second photon, if emitted, will have a wavelength of about 122 nm
D
It may emit a second photon but the wavelength of this photon cannot be predicted

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(b, c)

Any transition in the Balmer series must end up at n = 2. This must be followed by the transition from n = 2 to n = 1 emitting a photon of energy 10.2 eV. Which corresponds to a wavelength of about 122 nm. This belongs to the Lyman series.

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