Which measuring devices are most suitable for determining the width of a laboratory and the diameter of a thin copper wire?
Width of laboratory: ruler; Diameter of wire: micrometer screw gauge
Width of laboratory: tape measure; Diameter of wire: ruler
Width of laboratory: tape measure; Diameter of wire: micrometer screw gauge
Width of laboratory: vernier calipers; Diameter of wire: tape measure
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.