Radioactive particles decay and release alpha, beta and gamma radiation. Half-life is the time taken for the radioactivity to reduce by half.
What does alpha radiation consist of?
Which type of radiation is the least penetrating?
Which type of radiation travels the furthest in air?
Which of these is the correct definition of half-life?
What shape is the line on a decay curve for a radioactive substance?
What charge is alpha radiation?
Which type of radiation will be attracted to a positively charged plate?
What colour will photographic film turn when it absorbs radiation?
What tube detects radiation?
Which of these is an artificial source of background radiation?