O-LevelPhysicsMeasurement5054/12 · May/June 2018 · Q41 Mark

Micrometers, metre rules, tapes and calipers are used for measuring lengths. Which row identifies the most suitable device for accurately measuring the stated length?

A0.15 mm, micrometer

B0.50 mm, metre rule

C0.15 m, tape

D0.50 m, calipers

✓ Correct answer

A: 0.15 mm, micrometer

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Topic: Measurement, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source: O-Level Physics, May/June 2018 Paper 1 Variant 2, question 4.

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