Question

Sound cannot travel through:
(a) Air
(b) Water
(c) Iron
(d) Vaccum

Answer 1

Answer:

vaccum is the right answer

Answer 2

Answer:

(d) Vaccum

Explanation:

Sound can not travel through a vacuum. All the other options are given in the question, air, water, and iron sound can travel through them. Sound needs a medium to travel and all the other option like air, water, and iron provide a medium to the sound to travel through them. Speed of sound is dependent of the density of the medium through which it travels.