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Which of the following statements regard...

Which of the following statements regarding spectral series is correct ?

A

The lines in the Balmer series corresponds to the electronic transition from higher energy level two n = 1 energy level.

B

Paschen series appears in the infra-red region

C

The lines of Lyman series appear in the visible region

D

Transition from higher energy level to 4th energy level produces Pfund series which fall in the infrared region.

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ATOMIC STRUCTURE-Objective Exericse - 2A
  1. The ratio of energies of photons with wavelengths 2000A^(0) and 4000A^...

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  2. The energy of an electromagnetic radiation is 3 xx 10^(-12) ergs. What...

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  3. Which of the following statements regarding spectral series is correct...

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  4. According to the Moseley's law, the frequency of a spectral line in X-...

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  5. In a series in the line spectrum of hydrogen the wavelength of radiati...

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  6. The frequency of the spectral line obtained when the electron in n = 3...

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  7. Assertion (A) : The energy of ultraviolet radiation is greater than th...

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  8. The wavelength of the first member of the Balmer series in hydrogen sp...

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  9. Which of the following transitions will have minimum wavelength ?

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  10. The ratio of wavelength values of series limit lines (n(2) = oo) of Ba...

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  11. The minimum and maximum values of wavelength in the Lyman series of a ...

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  12. Which of the following transitions of an electron in hydrogen atom emi...

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  13. In a hydrogen atom the electron and proton are at a distance of 0.5 Å....

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  14. The total energy of electron in an atom is a combination of potential ...

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  15. The radius of which of the following orbit is same as that of the firs...

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  16. An electron in the ground state of hydrogen atom is revolving in anti ...

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  17. The change in velocity when electron jumps from the first orbit to the...

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  18. Which one of the following statements is not correct ?

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  19. As an electron is brought from an infinite distance close to nucleus o...

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  20. In Bohr series of lines of hydrogen spectrum, the third line from the ...

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