A student compares alpha, beta, and gamma radiations.
Which statement is correct?
Gamma radiation is the most penetrating.
Alpha radiation has the longest range in air.
Beta radiation has no electrical charge.
Gamma radiation consists of helium nuclei.
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.