Which of the following affects the speed of sound?

A. The amplitude of the wave.
B. The frequency of the wave.
C. The phase of the medium.
D. The wavelength.
Is the answer D?
Thank you

5 answers

Think about this.
c = frequency x wavelength so changing freq or wavelength has no effect on c.
Read here.
http://www.physicsclassroom.com/class/sound/Lesson-2/The-Speed-of-Sound

The Correct answer is C. The phase of the medium I know this is correct cause got this right on a quiz.

Stingray2020 is correct

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