plumiHow can radioactive materials be used safely?: OCR GCSE Combined Science B questions
Every OCR GCSE Combined Science B exam question on P5.2 How can radioactive materials be used safely?, 2018–2025, with its mark scheme and examiner’s report.
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Calculations
Q7(b)
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Q8(a)
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Q8(b)
The whole paper ↗Q1(a)
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Q1(b)
The whole paper ↗Q2(b)
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Q2(c)(i)
The whole paper ↗Q2(c)(ii)
The whole paper ↗Q5(b)
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Q9(b)
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Q7(a)
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Q7(b)
The whole paper ↗Q8(c)(i)
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Q8(c)(ii)
The whole paper ↗Q3(a)
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Q3(b)(i)
The whole paper ↗Q3(b)(ii)
The whole paper ↗Q3(c)(i)
The whole paper ↗Q3(c)(ii)
The whole paper ↗Q5(c)
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All 27 questions on How can radioactive materials be used safely?, as a list
- June 2025, Combined Science Paper 4 Foundation, Q7(b) (6 marks): Carbon-15 is a radioactive isotope that emits beta particles. The graph shows the activity of a sample of carbon-15. 400 380 360 340 320 300 280 260 240 220 Act
- June 2024, Combined Science Paper 4 Foundation, Q8(a) (3 marks): Which sample is suitable to be used as a radioactive tracer for an imaging scan? Explain your answer. Use data from the table. Sample Explanation [3]
- June 2024, Combined Science Paper 4 Foundation, Q8(b) (2 marks): Samples A and B emit alpha radiation. Suggest two precautions that should be taken by hospital staff when handling samples A and B. 1 2 [2]
- June 2024, Combined Science Paper 8 Higher, Q1(a) (3 marks): Which sample is suitable to be used as a radioactive tracer for an imaging scan? Explain your answer. Use data from the table. Sample Explanation [3]
- June 2024, Combined Science Paper 8 Higher, Q1(b) (2 marks): Samples A and B emit alpha radiation. Suggest two precautions that should be taken by hospital staff when handling samples A and B. 1 2 [2]
- June 2023, Physics Paper 3 Foundation, Q2(b) (2 marks): A gamma camera uses the radiation emitted by a radioactive tracer to form an image. The statements describe how a kidney is scanned by a gamma camera. They are
- June 2023, Physics Paper 3 Foundation, Q2(c)(i) (1 mark): Explain how ionising radiation can affect living things. [1]
- June 2023, Physics Paper 3 Foundation, Q2(c)(ii) (1 mark): Using a radioactive source can result in contamination or irradiation. Which statement is an example of contamination? Tick (3) one box. A person wearing gloves
- June 2023, Physics Paper 7 Higher, Q5(b) (2 marks): The iodine is used as a tracer to image cancer cells. Gamma rays are emitted when the iodine decays. Explain how the gamma rays can have hazardous effects. [2]
- June 2022, Physics Paper 3 Foundation, Q9(b) (3 marks): The table shows if the materials absorb alpha, beta or gamma radiation. Radiation absorbed Absorbing material Alpha Beta Gamma Paper 3 Thin aluminium 3 3 Thick
- June 2022, Physics Paper 7 Higher, Q7(a) (1 mark): Complete the table to show which materials absorb alpha radiation. Tick (3) at least one box. Absorbing material Radiation Paper Thin aluminium Thick lead alpha
- June 2022, Physics Paper 7 Higher, Q7(b) (4 marks): Kareem uses the equipment shown in Fig. 7.1 to investigate how different absorbing materials affect the amount of radiation received by a radiation detector. Se
- November 2021, Physics Paper 3 Foundation, Q8(c)(i) (2 marks): Explain why it is more hazardous to breathe in alpha emitters than to breathe in gamma emitters. [2]
- November 2021, Physics Paper 3 Foundation, Q8(c)(ii) (1 mark): Explain why it is more hazardous to be irradiated from outside the body by gamma emitters than by beta emitters. [1]
- November 2021, Physics Paper 7 Higher, Q3(a) (3 marks): A method is shown for how a scan of Beth’s heart is produced after the injection of the radioactive tracer. It is not in the correct order. Method 1. Gamma radi
- November 2021, Physics Paper 7 Higher, Q3(b)(i) (2 marks): Explain one reason why this isotope is not suitable to produce a scan of Beth’s heart. [2]
- November 2021, Physics Paper 7 Higher, Q3(b)(ii) (1 mark): Suggest one medical use for this isotope. [1]
- November 2021, Physics Paper 7 Higher, Q3(c)(i) (3 marks): Compare the hazards of being contaminated by radioactive material with being irradiated by a radioactive material. [3]
- November 2021, Physics Paper 7 Higher, Q3(c)(ii) (2 marks): Both beta and gamma radiation are ionising. Explain how ionising radiation is hazardous to the human body. [2]
- November 2020, Physics Paper 3 Foundation, Q5(c) (6 marks): Kareem reads some information about isotopes. They are listed as symbols. (c)* Kareem is researching the effects of radiation. In 1986, a nuclear reactor at the
- November 2020, Physics Paper 7 Higher, Q8(b) (2 marks): The first international reports of the explosion were made when measuring instruments in Sweden detected high radiation levels in the air. Since the explosion a
- June 2019, Physics Paper 3 Foundation, Q7(b)(i) (1 mark): The radioactive source emits one type of radiation. Put a ring around the correct choice to complete the sentence. To check that cardboard packets of aluminium
- June 2019, Physics Paper 3 Foundation, Q7(b)(ii) (2 marks): Explain why the type of radiation you chose in (b)(i) is the best choice to use in the factory. [2]
- June 2019, Physics Paper 3 Foundation, Q7(b)(iii) (2 marks): The radioactive source has a safety-shutter that is closed when it is not in use. This blocks the radiation. Explain why the safety-shutter is needed. [2]
- June 2019, Physics Paper 7 Higher, Q6(b) (3 marks): Which of these two isotopes, americium-241 or promethium-147 is most suitable for measuring the thickness of the aluminium foil? Isotope = Explain your answer.
- June 2019, Physics Paper 7 Higher, Q6(c) (2 marks): The radioactive source has a safety-shutter at the front which is closed when it is not in use. Explain why the safety-shutter is needed. [2]
- June 2018, Physics Paper 7 Higher, Q9(c) (4 marks): Medical equipment is placed in a container which is moved around the source rack so that all sides are irradiated. The speed of the container past the source ra
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