A) proton
B) p particle
C) positron
D) a particle
Correct Answer: B
Solution :
Tritium is the isotope of hydrogen. Tritium \[(_{1}^{3}H)\] is a p-emitter. It emits a \[\beta \]-particle and changes into helium. \[_{1}^{3}H\xrightarrow{{}}_{2}^{3}He+_{-1}^{0}\beta \] Note - The other two isotope of hydrogen is protium \[(_{1}^{1}H)\] and deuterium \[(_{1}^{2}H)\].
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