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    Fundamentals of Physics Study Set 1
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    Exam 42: Energy From the Nucleus
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    Lawson's Number Is 10<sup>20</sup> S
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Lawson's Number Is 1020 S

Question 31

Question 31

Multiple Choice

Lawson's number is 1020 s.m-3.If the density of deuteron nuclei is 2 * 1021 m-3 what should the confinement time be to achieve sustained fusion?


A) 16 ms
B) 50 ms
C) 160 ms
D) 250 ms
E) 20 s

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