Question

question 19 of 28. you turn up the volume on the car radio when your favorite song is played. which phrase best describes what happens to the sound waves produced by the speakers when you turn up the volume? a. the pitch increases. b. the wavelength increases. c. the frequency increases. d. the amplitude increases.

Explanation:

Volume (loudness) of sound is determined by the amplitude of sound waves. Increasing volume increases amplitude.

Answer:

D. The amplitude increases.