Which statement about β−\beta^{-}β−-radiation is correct?
It is unaffected by magnetic fields.
It is more highly ionising than α\alphaα-radiation.
It consists of high-speed electrons.
It can be completely stopped by a single thin sheet of paper.
134 exam-style questions on CIE IGCSE Physics 5.2.2a Alpha, beta and gamma emission. Each one has a worked solution and a mark scheme showing where the marks go.