Which statement about beta-minus (β−\beta^-β−) particles is correct?
They have a greater mass than alpha (α\alphaα) particles.
They are high-frequency electromagnetic waves.
They are more penetrating than alpha (α\alphaα) particles.
They are unaffected by electric fields.
41 exam-style questions on OCR GCSE Physics Radioactive emissions. Each one has a worked solution and a mark scheme showing where the marks go.