1. (a) Radioactive substances are used in the generation of electricity - Edexcel - GCSE Physics - Question 1 - 2020 - Paper 1
Question 1
1. (a) Radioactive substances are used in the generation of electricity.
State two other uses of radioactive substances.
1.
2.
(b) Figure 1 is a diagram of a nuc... show full transcript
Worked Solution & Example Answer:1. (a) Radioactive substances are used in the generation of electricity - Edexcel - GCSE Physics - Question 1 - 2020 - Paper 1
Step 1
State two other uses of radioactive substances.
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Answer
Smoke alarms use americium-241 to detect smoke.
Food irradiation uses radioactive isotopes to kill bacteria and pests in food.
Step 2
State the name of the two parts labelled P and Q.
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