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1.1 Units and quantities

1.1 Units and quantities

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Question 11

77%

In cancer treatments such as external beam radiotherapy, clinicians must carefully monitor the radiation dose delivered to a tumor. This radiation dose is defined as the amount of energy in joules ( $J\text{J}$ ) absorbed by each kilogram ( $kg\text{kg}$ ) of body tissue.

Which of the following is the correct unit for this absorbed radiation dose?

A

$kg/J\text{kg/J}$

B

$J/kg\text{J/kg}$

C

$J⋅kg\text{J} \cdot \text{kg}$

D

$W/kg\text{W/kg}$

Markscheme

1.1 Units and quantities Questions

GCSE
Physics
1.1 Units and quantities

18 exam-style questions on Edexcel GCSE Physics 1.1 Units and quantities, covering 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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