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A spectral line is emitted when an elect...

A spectral line is emitted when an electron

A

rotates in the circular orbit

B

rotates in the elliptical orbit

C

jumps from lower orbit to higher orbit

D

jumps from higher orbit to lower orbit

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The correct Answer is:
D
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NIKITA PUBLICATION-ATOMS, MOLECULES AND NUCLEI-MCQs
  1. According to Bohr's theory, when an electron jumps from any higher orb...

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  2. Which of the following types of radiation is not emitted by the electr...

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  3. A spectral line is emitted when an electron

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  4. Lines of Lyman series are emitted by the hydrogen atom when the electr...

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

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  6. Rydberg constant R is equal to

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  7. Line spectrum is obtained from the substances in

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  8. Infrared spectrum lies between

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  9. Which of the following are in the ascending order of wavelength?

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  10. Rydberg's constant is

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  11. If the mass of the electron is reduced to half the Rudberg constant

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  12. The Lyman transitions involve

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  13. The ratio of the wavelengths of H(alpha) and H(beta) lines of Paschen ...

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  14. Which series of H(2) atom lie in infrared region?

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  15. Which series of Hydrogen atom was first discovered?

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  16. Which of the following lines of Balmer series has longest wavelength?

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  17. The series limit wavelength of the Lyman series for the hydrogen atom ...

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  18. Generally the approximate limits of visible spectrum are

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  19. The frequnecy of visible light is of the order of

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  20. The series limit wavelength of the Balmer series for the hydrogen atom...

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