Question

WILL MEDAL AND FAN
Someone please help with science question?? No one's in the science department Thanks

A police car is parked by the side of a highway and its siren emits a sound measuring 750 Hz. As you approach the police car from a distance, you hear a change in the sound. The change is in the sound's

A) frequency.
B) pitch and frequency.
C) frequency and wavelength.

D) pitch, intensity, and loudness.


My guess is D

Answer 1

To be honest I have no real evidence but I would go with D as well. That sounds like the best answer. (No pun intended)

Answer 2

Lol thanks a lot.

Answer 3

No problem :)