Physics (AS & A Level) · Oct / Nov 2017 · Paper 13 · Question 4

A school has a piece of aluminium that it uses for radioactivity experiments. Its thickness is marked as 3.2 mm. A student decides to check this value. He has vernier calipers which give measurements to 0.1 mm and a micrometer which gives measurements to 0.01 mm. Which statement must be correct?

1. AThe micrometer gives a more accurate measurement.
2. BThe micrometer gives a more precise measurement.
3. CThe vernier calipers give a more accurate measurement.
4. DThe vernier calipers give a more precise measurement.

As printed in the paper