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1.1 Units and quantities

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Question 15
F

A student calculates the mean of three length measurements: 4.26 cm, 4.31 cm and 4.28 cm. What is the mean length in metres, to two significant figures?

[1]
A

0.043 m0.043\ \mathrm{m}0.043 m

B

0.042 m0.042\ \mathrm{m}0.042 m

C

0.43 m0.43\ \mathrm{m}0.43 m

D

0.13 m0.13\ \mathrm{m}0.13 m

Markscheme

1.1 Units and quantities Questions

  1. GCSE
  2. /Physics
  3. /1.1 Units and quantities

39 exam-style questions on Edexcel GCSE Physics 1.1 Units and quantities, covering 1.1.1 SI units for physical quantities and 1.1.2 Unit prefixes, conversions, significant figures and standard form. Each one has a worked solution and a mark scheme showing where the marks go.

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