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