Nuclear Structure Self-Assessment Quiz

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MOOC Nuclear Structure self-assessment

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manjula sharma

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Nuclear Structure Self-Assessment Quiz


Nuclear Structure Self-Assessment QuizVersión en línea MOOC Nuclear Structure self-assessment por manjula sharma 1 1. Who discovered the atomic nucleus? a J. J. Thomson b James Chadwick c Ernest Rutherford d Niels Bohr 2 2. Rutherford's gold foil experiment used which particles? a Neutrons b Gamma rays c Alpha particles d Beta particles 3 3. The accepted model of the atomic nucleus consists of a Protons and electrons b Protons and neutrons c Protons only d Neutrons only 4 4. The neutron was discovered by a Rutherford b James Chadwick c Thomson d Bohr 5 5. Nuclear radius is proportional to a A^(1/3) b A c √A d A^2 6 6. The SI unit commonly used for nuclear radius is a nm b femtometre (fm) c Å d cm 7 7. A positive quadrupole moment indicates a Prolate nucleus b Spherical nucleus c Cubical nucleus d Oblate nucleus 8 8. Mass defect is responsible for a Nuclear density b Nuclear charge c Atomic number d Binding energy 9 9. Binding energy is calculated using a Coulomb's law b Planck's equation c Einstein's mass-energy relation d Newton's law 10 10. Which nucleus has the highest binding energy per nucleon? a Uranium-238 b Carbon-12 c Iron-56 d Hydrogen-1 11 11. Heavy nuclei release energy mainly through a Photoelectric effect b Ionization c Fusion d Nuclear fission 12 12. Stable heavy nuclei generally have an N/Z ratio close to a 1 b 2 c 3 d 1.5 13 13. Which of the following is a magic number? a 24 b 50 c 36 d 64 14 14. The particles obeying Fermi-Dirac statistics are called a Bosons b Photons c Fermions d Mesons 15 15. Nuclear charge depends upon a Number of electrons b Mass number c Number of protons d Number of neutrons 16 16. Most of the atom is empty space. a True b False 17 17. Electrons are permanent constituents of the nucleus. a True b False 18 18. Nuclear density is nearly constant for all nuclei. a False b True 19 19. Iron-56 is among the most stable nuclei. a True b False 20 20. Binding energy per nucleon decreases for very heavy nuclei. a False b True 21 21. The neutron was discovered by __________. a James Chadwick b Thomson c Rutherford d Bohr 22 22. The unit of nuclear radius is __________. a femtometre (fm) b ångström (Å) c centimetre (cm) d nanometre (nm) 23 23. The missing mass in a nucleus is called __________. a Binding energy b Atomic mass unit c Momentum d Mass defect 24 24. The energy required to separate all nucleons is called __________. a Binding energy b Mass defect c Nuclear binding d Energy per nucleon 25 25. Stable nuclei lie within the __________ of stability. a Range b Peak c Shelf d Belt (or Band) 26 26. Explain Rutherford's Gold Foil Experiment and its conclusions. a Sample answer (short essay) b Sample answer (short essay) c Sample answer (short essay) d Sample answer (short essay) 27 27. Why was the proton-electron theory abandoned? a Sample answer (short essay) b Sample answer (short essay) c Sample answer (short essay) d Sample answer (short essay) 28 28. Define mass defect and explain its significance. a Sample answer (short essay) b Sample answer (short essay) c Sample answer (short essay) d Sample answer (short essay) 29 29. What is binding energy per nucleon? Why is it important? a Sample answer (short essay) b Sample answer (short essay) c Sample answer (short essay) d Sample answer (short essay) 30 30. Explain the concept of the belt of stability. a Sample answer (short essay) b Sample answer (short essay) c Sample answer (short essay) d Sample answer (short essay) 31 31. Explain how the binding energy curve accounts for both nuclear fusion and nuclear fission. a Sample answer (long essay) b Sample answer (long essay) c Sample answer (long essay) d Sample answer (long essay) 32 32. Discuss the factors responsible for nuclear stability. a Sample answer (long essay) b Sample answer (long essay) c Sample answer (long essay) d Sample answer (long essay) 33 33. Differentiate between proton-electron theory and proton-neutron theory. a Sample answer (long essay) b Sample answer (long essay) c Sample answer (long essay) d Sample answer (long essay) 34 34. Explain the significance of magic numbers in nuclear physics. a Sample answer (long essay) b Sample answer (long essay) c Sample answer (long essay) d Sample answer (long essay) 35 35. Why are medium-mass nuclei generally more stable than very light or very heavy nuclei? a Sample answer (long essay) b Sample answer (long essay) c Sample answer (long essay) d Sample answer (long essay)

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Nuclear Structure Self-Assessment QuizVersión en línea

por manjula sharma

1. Who discovered the atomic nucleus?

2. Rutherford's gold foil experiment used which particles?

3. The accepted model of the atomic nucleus consists of

4. The neutron was discovered by

5. Nuclear radius is proportional to

6. The SI unit commonly used for nuclear radius is

7. A positive quadrupole moment indicates

8. Mass defect is responsible for

9. Binding energy is calculated using

10. Which nucleus has the highest binding energy per nucleon?

11. Heavy nuclei release energy mainly through

12. Stable heavy nuclei generally have an N/Z ratio close to

13. Which of the following is a magic number?

14. The particles obeying Fermi-Dirac statistics are called

15. Nuclear charge depends upon

16. Most of the atom is empty space.

17. Electrons are permanent constituents of the nucleus.

18. Nuclear density is nearly constant for all nuclei.

19. Iron-56 is among the most stable nuclei.

20. Binding energy per nucleon decreases for very heavy nuclei.

21. The neutron was discovered by __________.

22. The unit of nuclear radius is __________.

23. The missing mass in a nucleus is called __________.

24. The energy required to separate all nucleons is called __________.

25. Stable nuclei lie within the __________ of stability.

26. Explain Rutherford's Gold Foil Experiment and its conclusions.

27. Why was the proton-electron theory abandoned?

28. Define mass defect and explain its significance.

29. What is binding energy per nucleon? Why is it important?

30. Explain the concept of the belt of stability.

31. Explain how the binding energy curve accounts for both nuclear fusion and nuclear fission.

32. Discuss the factors responsible for nuclear stability.

33. Differentiate between proton-electron theory and proton-neutron theory.

34. Explain the significance of magic numbers in nuclear physics.

35. Why are medium-mass nuclei generally more stable than very light or very heavy nuclei?