Question

How long will sound take to travel in (a) an iron
rail and (b) air, both 3.3 km in length ? Take speed
of sound in air to be 330 m s-1 and in iron to be
5280 m s-1.​

Answer 1

$\huge \underline \mathbb {SOLUTION:-}$

0.625 seconds and 10 seconds

Hence, the time taken for the sound to travel through the iron rail and air are 0.625 seconds and 10 seconds respectively