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CAIE A-Level Physics AS P3.3 Tables Recording and Significant Figures Questions

Practise recording measured values to appropriate precision, reading practical tables and presenting calculated results with suitable significant figures.

Syllabus
2028–2030
Course
Physics 9702
Level
AS

Exam points

  • Record measured values to instrument precision and present calculated results with appropriate significant figures.

CAIE A-Level Physics AS P3.3 Tables Recording and Significant Figures Questions question 1

[Maximum number: 1]

A micrometer is used to measure the 28.50 mm width of a plastic ruler. The micrometer reads to the nearest 0.01 mm .

What is the correct way to record this reading?

A

0.02850±0.01 m0.02850 \pm 0.01 \mathrm{~m}

B

0.0285±0.001 m0.0285 \pm 0.001 \mathrm{~m}

C

(2.850±0.001)×10−2 m(2.850 \pm 0.001) \times 10^{-2} \mathrm{~m}

D

(2.850±0.001)×10−3 m(2.850 \pm 0.001) \times 10^{-3} \mathrm{~m}

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