plumiWhat are the risks and benefits of using radiations?: OCR GCSE Physics B questions
Every OCR GCSE Physics B exam question on P1.1 What are the risks and benefits of using radiations?, 2018–2025, with its mark scheme and examiner’s report.
Paper
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Calculations
Q3(b)(i)
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Q1(a)
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Q1(b)
The whole paper ↗Q1(c)
The whole paper ↗Q10(a)
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Q10(b)(i)
The whole paper ↗Q10(b)(ii)
The whole paper ↗Q2(a)
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Q2(b)(i)
The whole paper ↗Q2(b)(ii)
The whole paper ↗Q9(a)(i)
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Q9(a)(ii)
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The whole paper ↗Q9(c)
The whole paper ↗Q2(d)
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Q2(e)
The whole paper ↗Q9(a)
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Q9(b)
The whole paper ↗Q2(a)
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Q2(b)
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All 65 questions on What are the risks and benefits of using radiations?, as a list
- June 2025, Paper 1 Foundation, Q3(b)(i) (1 mark): State one risk of using a laser. [1]
- June 2025, Paper 2 Foundation, Q1(a) (2 marks): Complete the list to show all parts of the electromagnetic spectrum in order from lowest frequency to highest frequency. Use these words. Infrared Visible light
- June 2025, Paper 2 Foundation, Q1(b) (3 marks): Which statements about the electromagnetic spectrum are true and which are false? Tick (✓) one box in each row. True False All parts of the electromagnetic spec
- June 2025, Paper 2 Foundation, Q1(c) (2 marks): When electromagnetic radiation hits a material, it can be absorbed, reflected, or transmitted. What happens to the electromagnetic radiation in these situations
- June 2025, Paper 2 Foundation, Q10(a) (6 marks): Scientists advise people to use sunscreen when they are outside on a sunny day. Sunscreen absorbs the UV radiation from the Sun. (a)* Explain: • how exposure to
- June 2025, Paper 2 Foundation, Q10(b)(i) (2 marks): Describe two improvements the student can make to their method. 1 2 [2]
- June 2025, Paper 2 Foundation, Q10(b)(ii) (2 marks): The table shows the student’s results. SPF Time taken for all beads to change colour 10 3.25 20 6 30 10 40 14 The table of results contains mistakes. State two
- June 2025, Paper 4 Higher, Q2(a) (6 marks): Scientists advise people to use sunscreen when they are outside on a sunny day. Sunscreen absorbs the UV radiation from the Sun. (a)* Explain: • how exposure to
- June 2025, Paper 4 Higher, Q2(b)(i) (2 marks): Describe two improvements the student can make to their method. 1 2 [2]
- June 2025, Paper 4 Higher, Q2(b)(ii) (2 marks): The table shows the student’s results. SPF Time taken for all beads to change colour 10 3.25 20 6 30 10 40 14 The table of results contains mistakes. State two
- June 2025, Paper 4 Higher, Q9(a)(i) (2 marks): State two differences between microwaves and radio waves. 1 2 [2]
- June 2025, Paper 4 Higher, Q9(a)(ii) (2 marks): State two similarities between microwaves and radio waves. 1 2 [2]
- June 2025, Paper 4 Higher, Q9(b) (1 mark): Radio waves are produced in a radio transmitter. Describe how radio waves are produced from an electrical current. [1]
- June 2025, Paper 4 Higher, Q9(c) (3 marks): A radio transmitter on the surface of the Earth emits a radio wave to the ionosphere. The radio wave reflects from the ionosphere and is detected by a radio rec
- June 2024, Paper 1 Foundation, Q2(d) (2 marks): Microwaves can be used for both communication and heating. Draw lines to connect each use to one example of that use. Use Example Cooking food Detecting broken
- June 2024, Paper 1 Foundation, Q2(e) (3 marks): Complete the sentences about electromagnetic waves. Use words from the list. frequency light longitudinal speed transverse ultrasound Microwaves and are both el
- June 2024, Paper 4 Higher, Q9(a) (2 marks): Explain why the EM radiation emitted from the Sun has a shorter wavelength than the EM radiation emitted from Venus. [2]
- June 2024, Paper 4 Higher, Q9(b) (4 marks): The table shows the range of frequencies for different types of EM radiation. Type of EM radiation Approximate range of frequencies (Hz) 3.0 × 103 to 3.0 × 1011
- June 2023, Paper 1 Foundation, Q2(a) (1 mark): Complete the sentence about the human eye. Put a ring around the correct option. The human eye can detect a wide / varied / narrow range of frequencies of elect
- June 2023, Paper 1 Foundation, Q2(b) (1 mark): Complete the description of light. Use words from the list. charge detector energy source When light is emitted by a , it transfers and the eye absorbs it. [1]
- June 2023, Paper 1 Foundation, Q2(c)(i) (1 mark): Put the frequencies in order of energy, from lowest to highest. Lowest energy Highest energy [1]
- June 2023, Paper 1 Foundation, Q2(c)(ii) (1 mark): What happens to the wavelength emitted from an object as its temperature increases? Tick (3) one box. The wavelength decreases. The wavelength increases. The wa
- June 2023, Paper 1 Foundation, Q2(d)(i) (1 mark): State the number of micrometres in 1 metre. 1 m = μm [1]
- June 2023, Paper 1 Foundation, Q2(d)(ii) (1 mark): How many times larger is 1 mm than 10 μm? Tick (3) one box. 10 100 1000 1 000 000 [1]
- June 2023, Paper 2 Foundation, Q1 (3 marks): Draw lines to connect each part of the electromagnetic spectrum to its use. Electromagnetic spectrum Use Microwave Sun beds Ultraviolet Cooking food X-rays Ster
- June 2023, Paper 4 Higher, Q3(b) (2 marks): Which two statements are correct about green light? Tick (3) two boxes. It has a shorter wavelength than red light It travels faster than yellow light in a vacu
- June 2023, Paper 4 Higher, Q3(c) (2 marks): The ball is placed inside a bell jar and the air is removed. Explain why the ball can still be seen when there is no air in the jar. [2]
- June 2022, Paper 1 Foundation, Q10(a) (2 marks): State one similarity and one difference between microwaves and light waves. Similarity Difference [2]
- June 2022, Paper 1 Foundation, Q10(b)(i) (4 marks): The distance between two locations is 90 km. Use the Data Sheet. Calculate the time taken for a light wave to travel this distance through an optical fibre. Tim
- June 2022, Paper 1 Foundation, Q10(b)(ii) (1 mark): Li thinks about which method is better. Li Microwaves are better because the signals travel faster through the air. Evaluate Li’s statement. [1]
- June 2022, Paper 2 Foundation, Q3(c)(i) (1 mark): The total energy transferred from the Sun is carried by electromagnetic / sound / mechanical waves. [1]
- June 2022, Paper 2 Foundation, Q3(c)(ii) (1 mark): The energy transferred to the surroundings are in the form of infrared / gamma / radio waves. [1]
- June 2022, Paper 3 Higher, Q4(a) (2 marks): Compare and contrast microwaves and light waves. [2]
- June 2022, Paper 3 Higher, Q4(b)(i) (4 marks): Calculate the speed of light waves in an optical fibre. Use the Data Sheet. Speed = m / s [4]
- June 2022, Paper 3 Higher, Q4(b)(ii) (2 marks): An engineer suggests using an optical fibre made using a new material. In this new material, light waves take 432 μs to travel 90 km. Calculate the percentage d
- June 2022, Paper 3 Higher, Q4(b)(iii) (1 mark): The new material would be 10% more expensive than the old material. Suggest why it is not worth using the new material. Use your answer to part (b)(ii). [1]
- June 2022, Paper 3 Higher, Q8(c) (2 marks): Eve wants to investigate whether infrared radiation reflects from a mirror at the same angle as visible light. Suggest how she can produce and detect infrared r
- November 2021, Paper 1 Foundation, Q4(a) (2 marks): Which two statements about visible light waves are correct? Tick (3) two boxes. Visible light waves are transverse. Visible light waves are electromagnetic wave
- November 2021, Paper 1 Foundation, Q14(a) (2 marks): Explain how an atom can emit electromagnetic radiation. [2]
- November 2021, Paper 1 Foundation, Q14(c) (1 mark): Satellite navigation systems rely on atomic clocks for their accuracy. Suggest one way that society has benefited from the invention of accurate satellite navig
- November 2021, Paper 3 Higher, Q3(a) (2 marks): Explain how an atom can emit electromagnetic radiation. [2]
- November 2021, Paper 3 Higher, Q3(c) (1 mark): Satellite navigation systems rely on atomic clocks for their accuracy. Suggest one way that society has benefited from the invention of accurate satellite navig
- November 2021, Paper 3 Higher, Q4(a) (1 mark): Radio waves transfer information from Voyager 1 back to the Earth. What else is transferred by the radio waves? [1]
- November 2021, Paper 3 Higher, Q6(a) (2 marks): Give two examples of practical uses of X-rays 1. 2. [2]
- November 2021, Paper 3 Higher, Q6(c) (3 marks): An X-ray machine contains lead, beryllium, and copper, as shown in the diagram. Lead Short wavelength X-ray Beryllium Long wavelength X-ray Copper Describe how
- November 2020, Paper 1 Foundation, Q13(a) (2 marks): Ultraviolet radiation is emitted by the atoms in the ultraviolet lamp. Describe how changes in atoms can generate ultraviolet radiation. [2]
- November 2020, Paper 1 Foundation, Q13(b)(i) (2 marks): Explain why ultraviolet radiation is also harmful to living organisms, including humans. [2]
- November 2020, Paper 1 Foundation, Q13(b)(ii) (1 mark): Suggest how the design of the disinfection unit in Fig. 13.1 prevents it from harming humans. [1]
- November 2020, Paper 3 Higher, Q3(a) (2 marks): Ultraviolet radiation is emitted by the atoms in the ultraviolet lamp. Describe how changes in atoms can generate ultraviolet radiation. [2]
- November 2020, Paper 3 Higher, Q3(b)(i) (2 marks): Explain why ultraviolet radiation is also harmful to living organisms, including humans. [2]
- November 2020, Paper 3 Higher, Q3(b)(ii) (1 mark): Suggest how the design of the disinfection unit in Fig. 3.1 prevents it from harming humans. [1]
- November 2020, Paper 3 Higher, Q5(a)(i) (2 marks): Explain why Sarah and Jack cannot see the radio waves. [2]
- November 2020, Paper 3 Higher, Q5(a)(ii) (4 marks): Calculate the wavelength of the radio waves. Use the equation: wavelength = wave speed ÷ frequency Give your answer to 2 significant figures. Wavelength = m [4]
- November 2020, Paper 3 Higher, Q5(b) (1 mark): Describe how electrical circuits in the radios can produce radio waves. [1]
- November 2020, Paper 3 Higher, Q12(b)(i) (3 marks): Star B is expected to explode in the next few thousand years. When it explodes, it will emit huge amounts of visible light radiation. Calculate, in years, the t
- November 2020, Paper 3 Higher, Q12(b)(ii) (1 mark): The explosion will also emit radiation from other regions of the electromagnetic spectrum. Scientists predict that all this radiation will reach the Earth at th
- June 2019, Paper 1 Foundation, Q2(a)(i) (1 mark): Which statement is true? Tick (3) one box. Visible light is ionising radiation. Visible light has a higher frequency than X-rays. X-rays have a shorter waveleng
- June 2019, Paper 1 Foundation, Q2(a)(ii) (1 mark): Why can humans see visible light but not X-rays? Tick (3) one box. Our eyes can detect only a small range of frequencies. X-rays cannot travel through space tow
- June 2019, Paper 1 Foundation, Q2(b)(i) (1 mark): Which is the correct way to calculate the time for visible light from a solar flare to reach the Earth? Put a ring around the correct calculation. 150 000 000 3
- June 2019, Paper 1 Foundation, Q2(b)(ii) (1 mark): When do the X-rays from the solar flare reach the Earth? Tick (3) one box. After the visible light. At the same time as the solar flare happens. At the same tim
- June 2019, Paper 1 Foundation, Q2(b)(iii) (1 mark): Explain your answer to (b)(ii). [1]
- June 2019, Paper 3 Higher, Q8(a) (2 marks): Describe two differences between visible light and X-rays. 1 2 [2]
- June 2018, Paper 1 Foundation, Q11(a) (3 marks): Describe similarities and differences between the results for the black thermometer and the silver thermometer. Similarities Differences [3]
- June 2018, Paper 1 Foundation, Q11(b) (2 marks): Explain the results of the experiment. [2]
- June 2018, Paper 1 Foundation, Q11(c) (2 marks): Identify a weakness with Ben’s method and suggest how it could be improved using information from the diagram or from the graph. [2]
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