Physics 0625 · IGCSE · Physical quantities and measurement techniques

Physical quantities and measurement techniques — practice question

The diagram illustrates a ruler being used to measure the length of a row of ball-bearings. Which expression represents the average diameter of a ball-bearing?

  • A$\frac{(5.7+2.0)}{5}$
  • B$\frac{(5.7-2.0)}{5}$
  • C$(5.7+2.0)\times 5$
  • D$(5.7-2.0)\times 5$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI