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GK QUESTION#3146

Rutherford’s atomic model failed mainly because it could not account for:

  1. AThe existence of isotopes
  2. BThe indivisible nature of atoms
  3. CThe deflection of alpha particles
  4. DThe stability of atoms and their emission spectrumCorrect answer
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Answer

D. The stability of atoms and their emission spectrum

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Explanation

Classical orbiting electrons would radiate energy and spiral towards the nucleus, contrary to atomic stability. Rutherford’s nuclear picture also did not account for discrete atomic emission lines. Its success in explaining scattering did not resolve these limitations.

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