Physics (AS & A Level) · May / June 2017 · Paper 13 · Question 39

The nuclear equation shown has a term missing. $^{14}_{6}\text{C} \rightarrow {}^{14}_{7}\text{N} + {}^{0}_{-1}\beta + \ldots\ldots\ldots$ What is represented by the missing term?

1. Aan antineutrino
2. Ban electron
3. Ca neutrino
4. Da positron

As printed in the paper