A student measures the length of an elastic band before and after stretching it. A pointer attached to the band is read against a ruler. The ruler has a zero mark at its top.
Which position of the student's eye gives the most accurate reading of the pointer?
The eye is level with the ruler's zero mark.
The eye is below the pointer.
The eye is above the pointer.
The eye is level with the pointer.
106 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.