MEDIUM
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IMPORTANT
Earn 100

The first emission line in the -atom spectrum in the Balmer series will have the wave number:-
(a)
(b)
(c)
(d)

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Important Questions on Structure of Atom
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IMPORTANT
What transition in will have the same as the line in Lyman series of -atom?

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In -atom, the electron transits from orbit to orbit in multi-step. Then total spectral lines(without Balmer series) will be:-

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An atom has energy level, then the total number of lines in its spectrum are

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The figure indicates the energy level diagram for the origin of six spectral lines in the emission spectrum(e.g. line number arises from the transition from level to ) which of the following spectral lines will not occur in the absorption spectrum: -

EASY
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A certain electronic transition from an excited state to the ground state in a sample of atoms gives rise to maximum of three lines in the ultraviolet region of the spectrum. How many lines does this transition produce in the infrared region of the spectrum?

HARD
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Four lowest energy levels of atom are shown in the figure. The number of emission lines could be

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The number of absorption lines in the following figure could be :-


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IMPORTANT
If energy is supplied to the atom, the number of spectral lines emitted is equal to:
