Question

If you increase the frequency of a sound wave four times, what will happen to its speed?Select one of the options below as your answer:

Answer 1

for most cases, the speed of sound is determined by material and not the frequency.

Answer 2

Wavelength =velocity *frequency
If you increase frequency wavelength will increase. Speed can only changed by the material.

Answer 3

Select one of the options below as your answer, where are they ?

Answer 4

The speed will increase four times.
The speed will decrease four times.
The speed will remain the same.
The speed will increase twice.
The speed will decrease twice.