CAPE Physics Unit 1 · 2015 · Paper 1 · Question Q1
Four students measure the circumference of a circular room of radius 5.00\text{ m} using a metre rule. Their recorded results are:
31.40 \pm 0.04\text{ m}
31.41 \pm 0.04\text{ m}
31.42 \pm 0.04\text{ m}
31.43 \pm 0.04\text{ m}
Which of the followings statements is correct?
- (A)The measured circumference is precise and accurate.
- (B)The measured circumference is not precise and not accurate.
- (C)The measured circumference is precise but not accurate.
- (D)The measured circumference is not precise but accurate.
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