Physics (AS & A Level) · May / June 2026 · Paper 13 · Question 2
What are the advantages of taking repeat measurements and calculating a mean in an experiment?
- Ashows if the results are accurate; reduces the effects of random errors
- Bshows if the results are accurate; reduces the effects of systematic errors
- Cshows if the results are precise; reduces the effects of random errors
- Dshows if the results are precise; reduces the effects of systematic errors
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Correct answer: C. shows if the results are precise; reduces the effects of random errors
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