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Question 8

A wire of cross-sectional area 2.2 × 10-6 m2 carries a load of 310 N. The strain in the wire is 0.15%.

Which value of the Young modulus, in Pa\text{Pa}Pa, is correct and expressed to an appropriate number of significant figures?

A

9.39×1089.39 \times 10^89.39×108

B

9.4×1089.4 \times 10^89.4×108

C

9.39×10109.39 \times 10^{10}9.39×1010

D

9.4×10109.4 \times 10^{10}9.4×1010

Markscheme

Materials Questions

  1. A Level
  2. /Physics
  3. /Materials

15 exam-style questions on OCR A A Level Physics Materials, covering Springs and Mechanical properties of matter. Each one has a worked solution and a mark scheme showing where the marks go.

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