Which of the following is not a use of gamma radiation?
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Card 7
Front
Nuclear radiation has many uses within medicine. Sugget two reasons why alpha sourcess aren't used as medical tracers.
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Card 8
Front
Suggest one reason why it is important that radioactive sources used in hospital sterilising machines have a long half-life.
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Card 9
Front
Explain why the dose of radiation given in radiotherapy is directed only at the tumour.
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Card 10
Front
Nucleaar radiation can have harmful effects on the human body. Briefly explain how a low dose of nuclear radiation can cause cancer.
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Card 11
Front
Describe what can happen to the body if it recieves a very high dose of nuclear radiation.
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Card 12
Front
A sample of a highly ionising raioactive gas has a half-life of two minutes. Describe what is meant by 'half life.'
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Card 13
Front
The sample contains a number of unstable atoms. Calculate the fraction of these atoms that will be present after four minutes.
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Card 14
Front
A worker holds a sample of the gas in a container using tongs. Suggest two other ways she could protect herself against exposure to radiation from the gas.
