While traveling down the road at 55 mph, you pass a fire station where the siren is blowing. Which of the following observations

Question

While traveling down the road at 55 mph, you pass a fire station where the siren is blowing.
Which of the following observations is attributable to the Doppler Effect?
Select one:
 a. The pitch of the siren changes as you approach the fire station.
 b. The loudness of the siren increases as you get closer to the fire station.
 c. The fire station gets larger as you approach it.
d. The siren's pitch and volume remain constant.

Kunduz · Accepted Answer

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