Question

When would the velocity of a wave traveling in a medium change

Answer 1

When the property of the medium changes.

Answer 2

Answer:

It depends on the elasticity of the medium

Explanation:

If the travelling wave is a longitudinal wave then the speed of the wave is given by the formula

$v = \sqrt{\frac{E}{\rho}}$

now we know that if the elastic property of medium or the density of medium will change then the wave will change its velocity

for solids we can say that

$E = Y$(Young's Modulus)

and for liquids and gases it is given as

$E = B$(Bulk Modulus)

so we can say that velocity of the wave will change due to change in medium because it depends on elasticity of the medium and its density