Question

Speed is of sound is the _________

(a) Distance travelled per unit length

(b) Distance travelled per unit time

(c) Distance travelled per unit pressure

(d) Distance travelled per unit temperature

I had been asked this question during a job interview.

My enquiry is from Velocity of Sound or Pressure Wave in a Fluid in portion Compressible Flow of Fluid Mechanics

Answer 1

Correct option is (b) Distance travelled per unit time

The explanation: The speed of sound is defined as the distance travelled per unit time. It is due to the sound wave. The sound wave propagates through the medium.