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Which of the following is true?...

Which of the following is true?

A

Lyman series is a continuous spectrum

B

Paschen series is a line spectrum in the infrared

C

Balmer series is a line spectrum in the ultraviolet

D

The spectral series formula can be derived from the Rutherford model of the hydrogen atom

Text Solution

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The correct Answer is:
B
Paschen series lies in the infrared region.
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A2Z-ATOMIC PHYSICS-Atomic Spectrum
  1. The energy levels of the hydrogen spectrum is shown in figure. There a...

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  2. In the figure of previous problem, D and E respectively represent

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  3. Which of the following is true?

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  4. Every series of hydrogen spectrum has an upper and lower limit in wave...

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  5. Energy levels A, B, C of a certain atom corresponding to increasing va...

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  6. An electron jumps from the 4th orbit to the 2nd orbit of hydrogen atom...

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  7. If the wavelength of the first line of the Balmer series of hydrogen i...

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  8. The following diagram indicates the energy levels of a certain atom wh...

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  9. The spectral series of the hydrogen spectrum that lies in the ultravio...

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  10. Figure shows the enegry levels P, Q, R, S and G of an atom where G is ...

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  11. A hydrogen atom (ionisation potential 13.6 eV) makes a transition from...

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  12. The figure indicates the enegry level diagram of an atom and the origi...

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  13. An electron makes a transition from orbit n = 4 to the orbit n = 2 of ...

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  14. The ratio of the frequenices of the long wavelength llmits of Lyman an...

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  15. Which of the following transitions in a hydrogen atom emits photon of ...

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  16. In terms of Rydberg's constant R, the wave number of the first Balman ...

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  17. If the ionisation potential of helium atom is 24.6 volt, the energy re...

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  18. Which of the transitions in hydrogen atom emits a photon of lowest fre...

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  19. The minimum enegry required to excite a hydrogen atom from its ground ...

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  20. Ratio of the wavelength of first line of Lyaman series and first line ...

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