A metal rod has an approximate length of 73 cm and an approximate diameter of 1.5 mm.
Which measuring instruments are most suitable to obtain precise values for these dimensions?
Length: half-metre rule; Diameter: micrometer
Length: metre rule; Diameter: micrometer
Length: metre rule; Diameter: half-metre rule
Length: micrometer; Diameter: metre rule
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.