Question

In which one of the following cases will the distance covered and the magnitude of the displacement are not the same? Justify. 

(i) A passenger in a train travels from Delhi to Kolkata. 

(ii) A raindrop falling in still air. 

(iii) An athlete completes one lap in a race.

Answer 1

(iii) An athlete completes one lap in a race 

As the track is circular, the displacement would be zero but distance will be equal to the circumference of the track.