Modern Physics 3 Question 32

33. In the uranium radioactive series, the initial nucleus is 92238U and the final nucleus is 82206Pb. When the uranium nucleus decays to lead, the number of α-particles emitted is … and the number of β-particles emitted is ….. .

(1985, 2M)

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Solution:

  1. Number of α-particles emitted, n1=2382064=8 and number of β-particles emitted are say n2, then

928×2+n2=82n2=6



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