Test Index

JAMB Physics 2020 Paper

© africaexams.com

Question : 25

Total: 38

A ship travelling towards a cliff receives the echo of its whistle after 3.5 seconds. A short while later, it receives the echo after 2.5 seconds. If the speed of sound in air under the prevalling condition is 250ms -1, how much closer is the ship to the cliff?

10m
350m
175m
125m

Go to Question:

Prev Question

Next Question