Question

What will change the velocity of a periodic wave?

A) changing the wavelength of the wave
B) changing the medium of the wave
C) changing the frequency of the wave
D) changing the amplitude of the wave

Answer 1

the one that will change the velocity of a periodic wave is :
B. Changing the medium of the wave
Waves is always determined by the properties of the medium, which means that changing the medium will change the velocity of the wave

hope this helps