Paper 2 · Measurement (length, thickness of a wire)
Fig. 1.1 shows 20 turns of wire wound closely around a pencil, with the length spanning the turns labelled AB. Name the instrument used to measure the length AB.
Model answer
metre rule
Also accepted: ruler, vernier calipers, measuring tape
Explanation: AB is a straight length of a few centimetres, so a metre rule (or vernier calipers/measuring tape) is suitable.
Derived from ZIMSEC Physics Paper 2, November 2021, Q1
