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4.3 Hazards and uses of radioactive emissions and of background radiation

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12
Question 1
F

Background radiation is around us all of the time.

a.

Give one natural source of background radiation.

[1]
b.

Give one man-made source of background radiation.

[1]
c.

Radiation dose is measured in sieverts (Sv). 1000 millisieverts (mSv)=1 sievert (Sv)1000\ \text{millisieverts (mSv)} = 1\ \text{sievert (Sv)}1000 millisieverts (mSv)=1 sievert (Sv).

A person receives a radiation dose of 4.5 mSv in one year.

Calculate this dose in sieverts.

[1]
Markscheme

4.3 Hazards and uses of radioactive emissions and of background radiation Questions

  1. GCSE
  2. /Physics
  3. /4.3 Hazards and uses of radioactive emissions and of background radiation

40 exam-style questions on AQA GCSE Physics 4.3 Hazards and uses of radioactive emissions and of background radiation, covering 4.3.1 Background radiation, 4.3.2 Different half-lives of radioactive isotopes, and 4.3.3 Uses of nuclear radiation. Each one has a worked solution and a mark scheme showing where the marks go.

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