Physics (AS & A Level) · Oct / Nov 2019 · Paper 43 · Question 12
9702
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One possible nuclear reaction that takes place is 23 9 5 2U + 1 0n 9 4 5 2Mo + 13 5 9 7La + 21 0n + 7–1 0e Data for nuclei in this reaction are given in Fig. 12.1. nucleus mass / u total mass of separate nucleons / u mass defect / u binding energy per nucleon / MeV 9 4 5 2Mo 13 5 9 7La 23 9 5 2U 94.906 138.906 235.044 95.765 140.125 236.909 0.859 1.219 1.865 8.443 8.189 Fig. 12.1
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12(a)[2]
12(b)(i)[2]
12(b)(ii)[1]
12(c)[2]
12(d)[3]
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