Other questions in this quiz

2. How will a radioactive source vary with time?

  • It will decrease over time
  • It will increase
  • It will stay the same

3. What is meant by the term 'half-life'

  • The time taken for radiation emitted by a source, to decrease by a half
  • The time taken for radiation emitted by a source to increase by a half
  • When radioactive sources don't stay radioactive permanently
  • When only half of an atom is radioactive

4. What is gamma radiation?

  • An electromagnetic wave
  • A single proton
  • A helium nucleus
  • A high speed electron

5. What is the purpose of radiotherapy?

  • To investigate blockages in the body
  • To help a patient regain consciousness after surgery
  • To kill cancerous cells
  • For brain scans


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