Why does a siren have a lower pitch as it moves away from you? A The period of the sound wave is decreased B The amplitude of th

Question

3 years ago

15

e sound wave is increased C The crests of the sound wave are farther apart D The troughs of the sound wave are spaced closer together.

2 answers:

Phantasy [73] · Answer 1 · 2021-11-25T02:00:25+03:00

7 0

Answer:

C

Explanation:

I think it's C because when it moves further away the sound wave is moving apart

sweet-ann [11.9K] · Answer 2 · 2021-11-25T00:31:55+03:00

4 0

Answer:

it is letter C

there is a video explaining this