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In a Fast Rotating Atomic Nucleus the Rate of Rotation ×\times

Question 31

Multiple Choice

In a fast rotating atomic nucleus the rate of rotation is related to the energy of the emitted gamma-ray according to the relationship "Egamma = 2hf," where h = Planck's constant,and f = rotational frequency.Find the period of rotation that corresponds to an energy of 0.75 MeV.


A) 1.2 ×\times 10-14 s
B) 2.4 ×\times 10-20 s
C) 8.5 ×\times 1019 s
D) 1.7 ×\times 1020 s
E) 1.2 ×\times 10-20 s

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