Question

Sound travels in air :

(a) if particles of medium travel from one place to another
(b) if there is no moisture in the atmosphere
(c) is disturbance moves
(d) if both, particles as well s disturbance move from one place to another

Answer 1

Sound is a longitudinal wave in which the disturbance created by the vibrating body is carried out by the medium without the actual movement of the medium particles.
Ans: (c) If disturbance moves.