GCSE Physics – Background radiation
Learning Objectives
-I can recall the different sources of background radiation
-I can describe what may affect a person dose of radiation
-I can recall that different isotopes have different half lives
-I can describe the different uses of radioactivity
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- Current
- Review
- Answered
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1. Question
How common is background radiation?
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2. Question
Where does background radiation come from?
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3. Question
Where does background radiation come from?
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4. Question
Where does background radiation come from?
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5. Question
Where does background radiation come from?
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6. Question
What type of radiation has the highest penetrating power?
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7. Question
What type of radiation has the middle penetrating power?
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8. Question
What type of radiation has the lowest penetrating power?
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9. Question
What type of radiation has the highest ionising power?
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10. Question
What type of radiation has the middle ionising power?
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11. Question
What type of radiation has the lowest ionising power?
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12. Question
What does radiation do to the body?
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13. Question
What affects background radiation?
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14. Question
What else affects radiation dose?
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15. Question
Why are gamma sources used within the body?
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16. Question
Why is gamma radiation safer than alpha radiation inside the body?
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17. Question
Why is alpha radiation safer than gamma radiation outside the body?
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18. Question
Why would a substance with a low half life be used medically?
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19. Question
Where is nuclear radiation used?
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20. Question
Name one example of nuclear radiation in medicine.
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21. Question
Name another example of nuclear radiation in medicine.
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22. Question
Describe the risk of background radiation to the general public.
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23. Question
Why do we want to reduce radiation dose as much as possible?
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24. Question
What is the range of half-life of radioactive isotopes?
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25. Question
Why are long half-life substances not used within the body?