Question

30 points must be a legitimate answer and correct answer or I will report

A wave travels at a constant speed. How does the frequency change if the wavelength is reduced by a factor of 3?
A. The frequency increases by a factor of 9.
B. The frequency increases by a factor of 3.
C. The frequency decreases by a factor of 3.
D. The frequency does not change.

Answer 1

it's C

Step-by-step explanation:

have a nice day............

Answer 2

the correct answer is C !