Question

You are given a metre rod and a measuring tap.Which device will you use for measuring each of the following and why? (a)the girth of your ball (b) the length of your pencil box​

Answer 1

Measuring tape for girth of ball due to its bendability (of tape) and metre rod gor pencil box as it is straight without any bends.(As both instruments would give you same least count hence same accuracy and precision)