A beam of protons and α\alphaα-particles is incident at right angles to a uniform electric field.
Which statement about the deflection of the particles in the field is correct?
Protons deflect, but α\alphaα-particles do not deflect.
α\alphaα-particles deflect, but protons do not deflect.
Both protons and α\alphaα-particles deflect in the same direction.
Protons deflect in the opposite direction to α\alphaα-particles.
145 exam-style questions on CIE IGCSE Physics 4.2.1a Positive and negative charge. Each one has a worked solution and a mark scheme showing where the marks go.