This question is about radioactivity and its uses - Edexcel - GCSE Physics - Question 7 - 2023 - Paper 1
Question 7
This question is about radioactivity and its uses.
(a) Which of these radiations does not have a charge?
A alpha
B beta minus
C beta plus
D gamma
(b) Which of ... show full transcript
Worked Solution & Example Answer:This question is about radioactivity and its uses - Edexcel - GCSE Physics - Question 7 - 2023 - Paper 1
Step 1
Which of these radiations does not have a charge?
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Answer
The only radiation that does not have a charge is gamma radiation. Therefore, the correct answer is D gamma.
Step 2
Which of these radiations is used in smoke detectors?
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Answer
The type of radiation used in smoke detectors is alpha radiation. Hence, the answer is A alpha.
Step 3
Name the type of radiation used to check the thickness of the paper.
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Answer
The type of radiation used to check the thickness of the paper is beta radiation, specifically beta minus (β).
Step 4
Give the name of one device which could detect this type of radiation.
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Answer
One device that could detect beta radiation is a Geiger counter.
