Our ears are best at hearing
A) infrasonic sound.
B) ultrasonic sound.
C) both of these
D) none of the above
Correct Answer:
Verified
Q42: Sound travels faster in
A)air.
B)water.
C)steel.
D)a vacuum.
E)same in each
Q43: Loudness of sound is most closely related
Q44: An explosion occurs 34 km away.For sound
Q45: The source of all sounds is something
Q46: A general rule for estimating the distance
Q48: The speed of a sound wave in
Q49: Sound travels fastest in
A)water vapor.
B)water.
C)ice.
D)same in all
Q50: The range of human hearing is about
A)10
Q51: Double the frequency of sound and you
Q52: A sound source of high frequency emits
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