1. Describe two possible mechanisms by which 11ππ22 could decay to 11ππ22
2. (a) Write a shorthand nuclear reaction equation of the following equation;
2π»π4 + 7π14 β 8π17 + 1π»1
(b) Consider the following nuclear reaction equation; 5π΅10 + 2π»π4 β 6πΆ13 + 1π»1
(i) Calculate the Q - value for this reaction.
(ii) What can you deduce from the results of the Q β value?
(iii) Is this reaction energetically possible? Why?
3. When a neutron and a proton combine, a nucleus deuteron is formed in the process. A photon of 2.22MeV energy can disintegrate the deuteron into its components. What is the mass of the deuteron?
4. (a) Distinguish between nuclear fission and nuclear fusion, giving examples.
(b) Why do these reactions produce vast quantities of energy?
(c) Which of them has been applied for peaceful purposes as well as destructive purposes?
(d) Why has the other not been applied for peaceful purposes yet?
(e) Describe a βchain reactionβ and explain how it occurs.
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