Quelpr
3 marksAtomic Mass

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

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

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 stability?

This question uses a figure or table from the paper — you'll see it when you practise.

The mark scheme is shown once you've answered.

Practise this question

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)(ii)Explain why a neutron would penetrate farther into a sample of matter than an alpha particle of the same energy.[2 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]

More practice: the rest of this paper · more Atomic Mass questions · all CAPE Physics Unit 2 past papers