Question

Select the correct answer.

If you increase the frequency of a sound wave four times, what will happen to its speed?
A.
The speed will increase four times.
B.
The speed will decrease four times.
C.
The speed will remain the same.
D.
The speed will increase twice.
E.
The speed will decrease twice.

Answer 1

A. The speed of the wave increases four times.

Answer 2

A. The speed will increase four times.

Step-by-step explanation:

If you increase the frequency of a sound wave four times, the speed will increase four times. So, option (A) is correct.