Refraction of sound can occur in
A) air.
B) water.
C) both A and B
D) neither A nor B
Correct Answer:
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Q22: The energy of sound in air eventually
Q28: The explanation for refraction must involve a
Q41: We are best at hearing
A)infrasonic sound.
B)ultrasonic sound.
C)both
Q41: A sound wave is a
A)longitudinal wave.
B)transverse wave.
C)standing
Q43: Compressions and rarefactions are characteristic of
A)longitudinal waves.
B)transverse
Q44: Sound waves cannot travel in
A)air.
B)water.
C)steel.
D)a vacuum.
E)They can
Q45: Sound travels faster in
A)air.
B)water.
C)steel.
D)a vacuum.
E)about the same
Q48: Sound will be louder if a struck
Q50: Compressions and rarefactions normally travel in
A)the same
Q51: When the speed of sound near the
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