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Atoms and Nuclei · 2020 · 3 Sep · Shift 2

2 Physics questions from this JEE Main paper
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Atoms and Nuclei · 2020 · 3 Sep · Shift 2

2 Physics questions from this JEE Main paper

  1. Q46.Hydrogen ion and singly ionized helium atom are accelerated, from rest, through the same potential difference. The ratio of final speeds of hydrogen and helium ions is close to :
    Physics · Atoms and Nuclei · MCQ
  2. Q54.The radius R of a nucleus of mass number A can be estimated by the formula R = (1.3 × 10–15)A1/3 m. It follows that the mass density of a nucleus is of the order of : (Mprot. ≅ Mneut ≃ 1.67 × 10–27 kg)
    Physics · Atoms and Nuclei · MCQ