Question

Sound travels in air, if

• A. particles of medium travel from one place to another
• B. there is no moisture in the atmosphere
• C. disturbance moves
• D. both particles as well as disturbance travel from one place to another

Answer 1

The correct option is C

disturbance moves

Explanation :

1. Sound travels in the air if disturbance moves.
2. During the propagation of sound waves, particles only vibrate in their own position, and disturbances created by the vibration of particle moves from one place to other.

So, the correct option is an option (C).