9
QuizMultiple Choice

Sound Waves

Question 9 • Physics B Spring 2026 Mr Edge

An ambulance emits a frequency of 450 Hz from its siren. What frequency is heard by a man as the ambulance moves toward him?

Answer
A
less than 450 Hz
B
more than 450 Hz
C
450 Hz
D
0 Hz
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An ambulance emits a frequency of 450 Hz from…