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Making measurements and analysing data

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Question 13

The accepted value of the Young modulus of copper is 117 GPa117\text{ GPa}117 GPa. In an experiment to determine this property, a student measures the extension of a copper wire under various loads and calculates a value of 128 GPa128\text{ GPa}128 GPa.

What is the percentage difference between the student's experimental value and the accepted value?

A

8.6%8.6\%8.6%

B

9.0%9.0\%9.0%

C

9.4%9.4\%9.4%

D

11%11\%11%

Markscheme

Making measurements and analysing data Questions

  1. A Level
  2. /Physics
  3. /Making measurements and analysing data

26 exam-style questions on OCR A A Level Physics Making measurements and analysing data, covering Measurements and uncertainties. Each one has a worked solution and a mark scheme showing where the marks go.

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