Atomic Spectra

IMPORTANT

Atomic Spectra: Overview

This topic covers concepts, such as, Rydberg Constant, Hydrogen Spectrum, Lyman Series, Balmer Series, Paschen Series, Brackett Series, Pfund Series, Emission Spectrum, Emission Lines in the Spectrum of Hydrogen, Balmer Formula & Rydberg Formula etc.

Important Questions on Atomic Spectra

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What is Brackett series?

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If the limit wavelength of the Balmer series is λB, then the series limit wavelength of the Pfund series is what?

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If the series limit frequency of the Lyman series is vL, then what is the series limit frequency of the Pfund series?

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Who did experimental discovery of the Pfund series?

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Pfund series will come after Lyman series.

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What is order of pfund series in atomic sptectra?

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The value of Rydberg's constant is

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In hydrogen spectrum, the series of lines obtained in the ultraviolet region of the spectrum is

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Write down the wavelength of the last line of Balmer series in Angstrom.

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In a muonic atom, a muon of mass of 200 times of that of electron and same charge is bound to the proton. The wavelengths of its Balmer series are in the range of

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What is the name of the series of hydrogen spectrum obtained when an electron jumps from higher energy level n2=2, 3, 4, 5 .... to ground energy level n1=1?

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In the hydrogen atom the ratio of wavelengths of the Balmer transition n=4 to n=2 to Lyman transition n=3n=1 is

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The shortest wavelength in the Balmer series of hydrogen atom in terms of Rydberg constant RH is

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If the ratio of frequencies of the first line of the Lyman series and first line of Balmer series is ab. Here a and b are co-prime numbers. Then, find the value of a+b.

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The frequency of the photon emitted for Hα transition in the Balmer series is 4.57×1014 Hz.

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What is the shortest wavelength present in the Paschen series of spectral lines?

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Find the shortest wavelength in Paschen series, if the longest wavelength in Balmer series is 6563 Å.

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Find the longest wavelength in Paschen series.

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Draw a neat labelled energy level diagram and explain the different series of spectral lines for hydrogen atom.

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If  E is the energy emitted in electron volts when an electronic transition occurs from higher energy level to a lower energy level in H-atom, the wavelength of the line produced is approximately equal to