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2 marksRadioactivity

CAPE Physics Unit 2 · 2005 · Paper 2 · Question 9(a)(ii)

Questions on nuclear fusion, fission, binding energy, and nuclear energy.

Explain why a neutron would penetrate farther into a sample of matter than an alpha particle of the same energy.

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Other parts of this question

  1. 9(a)(i)Explain what is meant by 'nuclear fusion' and 'nuclear fission' and state which process is responsible for the energy release of the Sun.[3 marks]
  2. 9(a)(iii)What does the binding energy per nucleon versus mass number curve indicate about the stability of nuclei and the processes by which nuclei achieve this…[3 marks]
  3. 9(b)(i)How many atoms are contained in 1.0 kg of Uranium-235?[3 marks]
  4. 9(b)(ii)Using the masses given, calculate the energy, in joules, released by 1.0 kg of Uranium-235 by fission.[7 marks]
  5. 9(b)(iii)Using your answer to (ii) above, explain why nuclear fission is such a desirable source of energy.[2 marks]

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