When decays it is observed that the daughter nucleus is

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

When

^{131}_{53}\text{I}

decays it is observed that the daughter nucleus is

^{131}_{54}\text{Xe}

. Which decay process most consistently explains this observation? (a)

\beta^+

decay (positron emission) (b) Electron capture (c)

\beta^-

decay (beta-minus emission) (d)

\gamma

emission