Paper 2 · Reading a micrometer screw gauge
Fig. 1.1 shows one of the basic laboratory instruments, used to measure small lengths such as wire diameter or sheet thickness. What is the name of this instrument?
Model answer
micrometer screw gauge
Also accepted: micrometer
Explanation: The instrument with a barrel scale and a thimble scale, used to measure small lengths, is the micrometer screw gauge.
Derived from ZIMSEC Physics 5055/2 Paper 2 Theory, November 2017, Q1
