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