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Question

A neutron with 0.6MeV kinetic energy directly collides with a stationary cartoon nucleus (in number 12). The kinetic energy of carbon nucleus after the collision is:

A
1.7 MeV
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B
0.17 MeV
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C
17 MeV
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D
Zero
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Solution

The correct option is B 0.17 MeV
Kinetic energy transferred to stationary target (carbon nucleus)

kk=[1(m1m2m1+m2)2]

Where K (delta k) is change in Kinetic energy.

=[1(1121+12)2]=48169

K=48169×(0.6MeV)=0.17MeV

Hence (B) option is correct answer

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