(a)[3]
Use the neutron’s quark composition to demonstrate that the neutron has zero charge.
(b)[2]
Complete Fig. 8.1 by entering suitable values for the charge and mass of the proton, the $\beta^-$ particle and the (electron) antineutrino.
Physics 9702 · AS & A Level · Fundamental particles
Fundamental particles — practice question
A neutron in a nucleus undergoes decay to form a proton, a $\beta^-$ particle and an (electron) antineutrino. $$n \rightarrow p + \beta^- + \bar{\nu}$$