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Question: Answered & Verified by Expert
The wavelengths involved in the spectrum of deuterium ( 1 2 D ) are slightly different from that of hydrogen spectrum, because-
PhysicsAtomic PhysicsNEET
Options:
  • A Sizes of the two nuclei are different
  • B Nuclear forces are different in the two cases
  • C Masses of the two nuclei are different
  • D Attraction between the electron and the nucleus is different in the two cases
Solution:
1698 Upvotes Verified Answer
The correct answer is: Masses of the two nuclei are different
Wavelength involved in the spectrum also depends on mass of nuclei apart from nuclear charge.

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