P6 revision 5.0 / 5 based on 1 ratingTeacher recommended ? PhysicsRadioactivityGCSEOCR Created by: KatieOsborne1204Created on: 31-05-17 11:52 How many neutrons does an alpha particle have? 2 1 of 8 What is a beta particle? A high energy electron 2 of 8 What is gamma radiation? An electromagnetic wave 3 of 8 What is a half life? The amount of time it takes for the radioactivity of an isotope to half 4 of 8 What blocks beta radiation? Thin sheet of aluminium 5 of 8 What is gamma radiation blocked by? Thick lead 6 of 8 What is the order of most - least ionising radiation? Alpha, beta, gamma 7 of 8 What is the order of most - least penetrating radiation? Gamma, beta, alpha 8 of 8
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