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Class 9 Chemistry MCQs – Certification Test 74

Atomic Structure Experiments MCQs (Question 74) – Learning App & e-Book Download

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MCQ: 74

Electrons revolve only in those orbits with angular momentum as an

  1. half integral multiple of 'h'
  2. integral multiple of 'h'
  3. integral multiple of h ⁄ 2π
  4. half integral multiple of 2π
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