The students observe that the pitches of the sounds from the fire truck and the
ambulance sire...
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Physics, 02.03.2020 09:33 fooligan3448
The students observe that the pitches of the sounds from the fire truck and the
ambulance siren are different. The siren for each vehicle has a different pitch, as shown
in Figure 2. The ambulance siren has sound waves with a higher pitch than sound
waves from the fire truck siren
Figure 2. Pitches of Emergency Sirens
10m m high-pitched sound
ambulance
--
m
l
ow. pitched sound
fire truck
Based on Figure 2, which statement best describes how the pitch and the
frequency of sound waves are related?
A. Sound waves with a higher frequency have a higher pitch.
B. Sound waves with a lower frequency have a higher pitch.
C. Sound waves with a higher frequency have a lower pitch.
D. Sound waves with higher and lower frequencies can have the same pitch
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