IGCSE PHYSICS - How To Calculate Half Life (with background radiation)

Visit : https://learntodayigcse.com/ for more resources • Define half life Time taken for half the radioactive nuclei to decay •Background Radiation Background radiation is radiation that is always present in the environment around us As a consequence, whenever an experiment involving radiation is carried out, some of the radiation that is detected will be background radiation. When carrying out experiments to measure half-life, the presence of background radiation must be taken into account • Removing Background Radiation Start by measuring background radiation (with no sources present) Subtract the background count from each of your readings, in order to give a corrected count The corrected count is your best estimate of the radiation emitted from the source, and should be used to measure its half-life #igcse #igcsephysics #study #examtips #2023 #gcse #physicsexam #gcse2023 #igcse2023 #gcsephysics