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Practice Questions



This activity contains 25 questions.

Question 1.
A neutron reacts with 147N. What element results if a proton is subsequently emitted?


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Question 2.
What would be the atomic mass number of the product nucleus in Question 1?


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Question 3.
What is the Q-value of the nuclear reaction in Question 1?


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Question 4.
The reaction in Question 3 is


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Question 5.
168O + p -> 42He + ?


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Question 6.
What is the Q-value of the reaction in Question 5?


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Question 7.
The reaction in Question 6 is


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Question 8.
42He + 5626Fe ->21H + ?


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Question 9.
11H + 21H -> gamma + ?


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Question 10.
What is the Q-value of the fusion reaction in Question 9?


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Question 11.
32He + 32He -> 11H + 11H + ?


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Question 12.
What is the Q-value of the fusion reaction in Question 11?


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Question 13.
n + 23592U -> n + n + 14257La + ?


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Question 14.
If the target nucleus in Question 13 was 23994Pu instead of 23592U and eveything else was the same, what would be the answer?


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Question 15.
The fission reactions in Question 13 and 14 can be initiated by a neutron with essentually zero energy. However, a great deal of energy is required to initiate a fusion reaction such as the one in Question 11. Can you calculate an initiation temperature for the fusion reaction in Question 11?


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Question 16.
Which of the following is not an example of ionizing radiation?


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Question 17.
Which of the following is not an example of charged particle radiation?


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Question 18.
Which of the following is not a unit radiation dose or exposure?


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Question 19.
At a certain location near a radioactive source, 1 x 1012 ion pairs are produced in one gram of air during a period of time when the source was opened. If the dose was 0.625 R, what was the average ionization energy?


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Question 20.
If a lab worker is exposed to radiation such that 50 J of energy is released throughout his 100 kg body, what whole-body dose did he receive?


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Question 21.
What is the dose for Question 20 in gray?


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Question 22.
If the radiation in Question 20 was gamma radiation, what effective dose did the lab worker receive?


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Question 23.
If the radiation in Question 20 is slow neutron radiation, what is the effective dose received by the lab worker?


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Question 24.
A lab worker is positioned in such a way that her 50 kg body intercepts 1% of the 1 MeV gamma rays emitted by a 2 mCi source. If half of the gamma rays are stopped in her body, what was her dose rate in mrem/hr?


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Question 25.
Assuming 50 weeks per year and a 5 day, 8 hour/day work week, what will be the yearly exposure of the worker in Question 24?


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