A particle is fired at a target nucleus in which a reaction that could occur has

Question

A particle is fired at a target nucleus in which a reaction that could occur has a negative Q value. Which of the following statements is true?


A. The Q value has nothing to do with whether or not the reaction can occur.
B. The kinetic energy of the bombarding particle was greater than the absolute value of the Q value if the reaction occurred.
C. The kinetic energy of the bombarding particle must be equal to the absolute value of the Q value for the reaction to occur.
D. The kinetic energy of the bombarding particle can be any amount for the reaction to occur.

Explanation / Answer

Kinetic energy should be greater than the absolute value of Q-value, if rection occured. B

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