Which statement about β\betaβ-radiation is correct?
It consists of helium-4 nuclei.
It is more penetrating than α\alphaα-radiation.
It is more highly ionising than α\alphaα-radiation.
It is unaffected by magnetic and electric fields.
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.