A fission chamber neutron detector is located in a constant neutron radiation field and is initially operating in the proportional region.
If the voltage applied to the detector is changed such that the detector operates in the ion chamber region, the rate of neutron interactions in the detector will __________; and the amplitude of each neutron-induced detector pulse will __________.
A. increase; increase
B. decrease; decrease
C. remain the same; increase
D. remain the same; decrease
Show Answer
Answer: D
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