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Questions  

How much energy must have a bombarding proton to cause the reaction 

 3Li7+1H14Be7+0n11.65MeV

a
1.79 MeV
b
2.89 MeV
c
2.79 MeV
d
1.89 MeV

detailed solution

Correct option is D

Threshold energy =Eth=−QAHALi+1 ⇒Eth=−−1.6517+1 ⇒Eth=1.89MeV

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Similar Questions

When a slow moving neutron collides with Uranium 235 atom 23592U, following reaction occurs.

 01n+92235U92236U4099Zr+52134Te+301n

If kinetic energy of neutrons is neglected (as it is very small), then the Q of reaction is 37 x K MeV. The value of K is _________. Use following data.

mU235=235.0439 u, mn=1.0087 u,

mZr99=98.9165 u, mTe134=133.9115 u. 


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