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1.1 Units and quantities

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Question 24
H

A source transfers 0.018 J of energy in equal pulses. Each pulse transfers 45 nJ45\ \mathrm{nJ}45 nJ. How many pulses are produced?

[1]
A

4.0×1054.0\times10^54.0×105

B

2.5×10−62.5\times10^{-6}2.5×10−6

C

4.0×1084.0\times10^84.0×108

D

4.0×1024.0\times10^24.0×102

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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