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Nuclear Energy · CSEC Physics

33 past-paper questions on Nuclear Energy, part of The Physics of the Atom, from every CSEC Physics paper on Quelpr.

Practise Nuclear Energy
  1. 3(a)(ii)3 marks· CSEC Physics · 1992 · Paper 2Give the equation for the mass-energy relationship in a nuclear reaction. State clearly what EACH symbol represents.
  2. 3(b)(i)1 mark· CSEC Physics · 1992 · Paper 2What is the total mass of the uranium nucleus and the neutron?
  3. 3(b)(ii)2 marks· CSEC Physics · 1992 · Paper 2What is the total mass of the two nuclei and the two neutrons produced as a result of the fission of 235_92 U?
  4. 3(b)(iii)3 marks· CSEC Physics · 1992 · Paper 2How much energy is produced as a result of the fission reaction? (Speed of light = 3.0 x 10^8 m s^-1)
  5. 3(c)(i)2 marks· CSEC Physics · 1992 · Paper 2State TWO DISADVANTAGES of generating electrical energy using nuclear fission reactors.
  6. 3(c)(ii)4 marks· CSEC Physics · 1992 · Paper 2Scientists estimate that every second the sun's mass is reduced by 4 x 10^9 kg. Name and explain the process that leads to this reduction in mass.
  7. 3(c)(i)1 mark· CSEC Physics · 1996 · Paper 2Calculate the difference in mass between nuclei of carbon-14 and nitrogen-14.
  8. 3(c)(ii)3 marks· CSEC Physics · 1996 · Paper 2Determine the energy released when one carbon-14 nucleus decays. (c = 3.00 × 10⁸ m s⁻¹)
  9. 1(c)(i)1 mark· CSEC Physics · May/June 2022 · Paper 2Define the term 'nuclear fission'.
  10. 1(c)(ii)7 marks· CSEC Physics · May/June 2022 · Paper 2Using the atomic mass data in Table 2, calculate the energy released in the reaction in joules. [where u = 1.66 * 10^-27 kg, c = 3.0 * 10^8 m s^-1]
  11. 3(a)(i)1 mark· Physics Q3 3(a)(i)What is meant by the term 'nuclear fission'?
  12. 3(a)(i)3 marks· Physics Q3 3(a)(i)Albert Einstein put forward a theory that if the energy of a body changes, then its mass also changes. State the equation which relates these changes, clearly identifying the symbols or letters used in the equation.
  13. 3(a)(ii)2 marks· Physics Q3 3(a)(ii)State TWO advantages of utilizing nuclear energy.
  14. 3(a)(ii)4 marks· Physics Q3 3(a)(ii)State TWO arguments EACH for and against the utilization of nuclear energy.
  15. 3(b)(ii)3 marks· Physics Q3 3(b)(ii)The energy released in the given reaction is 1.8 × 10⁻¹² J. Calculate the excess mass (mass change) in this reaction.
  16. 3(b)(ii)2 marks· Physics Q3 3(b)(ii)Give TWO disadvantages of using nuclear reactors to generate energy.
  17. 3(c)(ii)1 mark· Physics Q3 3(c)(ii)State the meaning of 'c' in Einstein's equation ΔΕ = Δmc².
  18. 3(c)(iii)2 marks· Physics Q3 3(c)(iii)Calculate the total mass of the elements formed after the reaction.
  19. 3(c)(iv)4 marks· Physics Q3 3(c)(iv)Calculate the energy released in the reaction.
  20. 3(c)(v)1 mark· Physics Q3 3(c)(v)State ONE use of the energy released from the reaction.
  21. 4(a)4 marks· Physics Q4 4(a)State TWO arguments for and TWO arguments against the use of nuclear fission reactors.
  22. 4(b)2 marks· Physics Q4 4(b)State TWO advantages of nuclear fusion over nuclear fission.
  23. 4(b)(ii)7 marks· Physics Q4 4(b)(ii)Calculate the energy released in the nuclear reaction in 4 (b)(i). State your answer in Joules. [ c = 3.0 x 10⁸ m s⁻¹]
  24. 4(d)6 marks· Physics Q4 4(d)Using the information in Table 4, calculate the energy released in this reaction.
  25. 6(b)(ii)4 marks· Physics Q6 6(b)(ii)Calculate the energy released in the fission of ²³³U. c = 3.0 × 10⁸ m s⁻¹
  26. 6(b)(ii)5 marks· Physics Q6 6(b)(ii)The mass of the sun is lost at the rate of 2.0 × 10⁹ kg s⁻¹. If the speed of light in a vacuum is 3.0 × 10⁸ m s⁻¹, calculate the power output of the sun in kilowatts.
  27. 6(b)(ii)4 marks· Physics Q6 6(b)(ii)Determine the energy released in the proposed nuclear reaction.
  28. 6(b)(iii)2 marks· Physics Q6 6(b)(iii)If the energy released in an alternative, natural decay reaction is 9.98 x 10-13J, which would be the preferred method for the production of a nuclear power station? Justify your choice.
  29. 6(b)(iv)1 mark· Physics Q6 6(b)(iv)Give the reason for your decision in (iii). [c = 3.0 x 108 ms¯¹]
  30. 6(c)6 marks· Physics Q6 6(c)Calculate the energy released in the solar fusion of deuterium.
  31. 6(c)5 marks· Physics Q6 6(c)Calculate the new mass. [c = 3 × 10⁸ m s⁻¹]
  32. 6(c)3 marks· Physics Q6 6(c)Calculate the energy given off in a nuclear reaction if the change in mass is 0.2014 u. (u = 1.66 × 10⁻²⁷ kg; c = 3.0 × 10⁸ ms⁻¹).
  33. 6(c)4 marks· Physics Q6 6(c)Calculate the energy given off in a nuclear reaction if the change in mass is 0.2014 u.

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