BBC1 年
Radioactive decay and half-life - CCEATest questions
The structure of the atom - CCEA The structure of the nucleus - CCEA The dangers and uses of radiation - CCEA Nuclear fission - CCEA Nuclear fusion - CCEA ...
BBC1 年
Half-life – WJEC Using a decay curve to find the half-life
Look at this point on the graph in relation to the y-axis. You will see that the counts per minute have halved in two days. This means that it has a half-life of two days.