Question

Out of iron, water, air and vacuum the speed of sound will be maximum in
which medium?
(A) Air
(B) Vacuum
(C) Water
(D) Iron
(E) Not sure​

Answer 1

Answer:

b is the correct answer

Explanation:

please brainlist me please

Answer 2

Answer:

The speed of sound will be maximum in vacuum

that is 3000,000km per sec