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EnglandPhysicsQuick questions
3.1 Measurements and their errors
Quick questions on Limitation of physical measurements: errors, uncertainty and precision - AQA A-Level Physics
3short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is q1?Show answer
A length is measured as . State the percentage uncertainty. [1 mark]
What is q2?Show answer
Explain the difference between a random and a systematic error, and state how each is reduced. [3 marks]
What is q3?Show answer
State how the percentage uncertainty in a quantity raised to the power 3 relates to the percentage uncertainty in the quantity. [1 mark]
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