A typical gamma ray (1 to 2 MeV) normally produces a free electron in a gas-filled radiation detector by…
A. transferring energy to a nucleus, which recoils and leaves behind a free electron.
B. transferring energy to a bound electron, which recoils and becomes a free electron.
C. entering the electrostatic field of a nucleus, where it transforms into a proton and a free electron.
D. entering the electrostatic field of a bound electron, where it transforms into a positron and a free electron.
Show Answer
Answer: B
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