Physics · Oct / Nov 2017 · Paper 11 · Question 2

A manufacturer measures the three dimensions of a wooden floor tile using three different instruments. The approximate dimensions of the tile are shown. [diagram of a wooden floor tile with dimensions: length 0.4 m, width 0.08 m, thickness 0.005 m (not to scale)] Which instruments are used to measure accurately each of these dimensions? | | length | thickness | width | |---|---|---|---| | A | metre rule | micrometer | calipers | | B | metre rule | calipers | micrometer | | C | micrometer | metre rule | calipers | | D | calipers | micrometer | metre rule |

1. Ametre rule, micrometer, calipers
2. Bmetre rule, calipers, micrometer
3. Cmicrometer, metre rule, calipers
4. Dcalipers, micrometer, metre rule

As printed in the paper