1) Name the type of radiation a) Alpha b) Beta c) Gamma 2) Name the type of radiation a) Alpha b) Beta c) Gamma 3) What is meant by the term 'ionisation'? a) The loss or gain of a proton b) The loss or gain of a neutron c) The loss or gain of an electron 4) How far can alpha particles travel through air? a) a few metres b) a few centimetres c) a few miles 5) How far can beta particles travel through air? a) A few metres b) A few cm c) A few miles 6) Which is most penetrating? a) Alpha b) Beta c) Gamma 7) How can beta radiation be stopped? a) Several metres of concrete b) A thin sheet of aluminium or perspex c) paper 8) What is an alpha particle made up of? a) 2 protons and 2 neutrons b) 2 protons c) 1 electron 9) What is a beta particle made up of? a) 2 protons and 2 neutrons b) 1 electron c) An electromagnetic wave 10) Isotopes have a) The same number of protons, different number of neutrons b) The same number of protons, different number of electrons c) The same number of neutrons, different number of protons 11) The forms are nuclear radiation affected by an electric field are a) Gamma and Beta b) Alpha and Beta c) Gamma and Alpha

Nuclear Radiation

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