Question

The diagram below shows a wave with its wavelength indicated in red.
wavelength

What will happen to the wave's frequency if its wavelength is made twice as long?

A. It will stay the same.

B. It will go to zero

C. It will double.

D. It will decrease

Answer 1

Answer:

answer is D.it will decrease

Answer 2

Answer:

D. It will decrease

Explanation: Study island ;)