Figure 7 shows a safety sign on the door of a laboratory where radioactive materials are used - Edexcel - GCSE Physics Combined Science - Question 4 - 2022 - Paper 1
Question 4
Figure 7 shows a safety sign on the door of a laboratory where radioactive materials are used.
(i) State one way that radioactivity can be dangerous to humans.
(ii... show full transcript
Worked Solution & Example Answer:Figure 7 shows a safety sign on the door of a laboratory where radioactive materials are used - Edexcel - GCSE Physics Combined Science - Question 4 - 2022 - Paper 1
Step 1
State one way that radioactivity can be dangerous to humans.
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Answer
One way that radioactivity can be dangerous to humans is through cell damage. When cells are exposed to ionising radiation, it can lead to mutations which may result in cancer or other serious health issues.
Step 2
State one piece of equipment that can be used to measure radioactivity.
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Answer
One piece of equipment that can be used to measure radioactivity is a Geiger-Muller (GM) counter. This device detects ionising radiation and provides a measurable output.
Step 3
Give two other ionising radiations.
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Two other types of ionising radiations are beta (β) radiation and gamma (γ) radiation. These radiations can also pose risks to human health.
