5.2.1 — Detection of radioactivity

Core

• 5.2.1.1 — Know what is meant by background radiation
• 5.2.1.2 — Know major sources of background radiation: radon gas, rocks/buildings, food/drink, cosmic rays
• 5.2.1.3 — Know that ionising radiation can be measured using a detector and counter
• 5.2.1.4 — Use count rate measured in counts/s or counts/min

Supplement

• 5.2.1.5 — Use background radiation measurements to determine corrected count rate