Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

Atoms and Nuclei · 2020 · 3 Sep · Shift 2

2 Physics questions from this JEE Main paper
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /JEE Main
  3. /Papers
  4. /2020 · 3 Sep · Shift 2
  5. /Physics
  6. /Atoms and Nuclei

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