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Physical quantities and measurement techniques

Physical quantities and measurement techniques

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Question 4

A micrometer screw gauge reads -0.03 mm when the jaws are fully closed. It reads 1.42 mm when measuring the diameter of a steel rod.

What is the actual diameter of the steel rod?

A

1.39 mm1.39\text{ mm}1.39 mm

B

1.42 mm1.42\text{ mm}1.42 mm

C

1.45 mm1.45\text{ mm}1.45 mm

D

1.48 mm1.48\text{ mm}1.48 mm

Markscheme

Physical quantities and measurement techniques Questions

  1. IGCSE
  2. /Physics
  3. /Physical quantities and measurement techniques

164 exam-style questions on CIE IGCSE Physics Physical quantities and measurement techniques, covering Physical quantities and measurement techniques. Each one has a worked solution and a mark scheme showing where the marks go.

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