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1.1 Units and quantities

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Question 27
H

A detector records 3.6 × 105 pulses during 0.25 h. What is the mean number of pulses recorded each millisecond?

[1]
A

4.0×1054.0\times10^54.0×105

B

2.4×1012.4\times10^12.4×101

C

4.0×1024.0\times10^24.0×102

D

4.0×10−14.0\times10^{-1}4.0×10−1

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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