Question

If you want to hear a train approaching from far away then you should:

• A. put the ear to the track.
• B. put the ear away from the track.
• C. both can be true
• D. none is true

Answer 1

The correct option is A put the ear to the track.

If you want to hear a train approaching from far away, it is more convenient to put the ear to the track. This is because sound can travel through railway track (solid ) faster than through air.