A student measures the physical dimensions of a flat metal washer.
For which measurement is a micrometer screw gauge the most appropriate instrument?
circumference of the washer
internal diameter of the central hole
outer diameter of the washer
thickness of the washer
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.