Compressions and rarefactions normally travel in
A) the same direction in a wave.
B) opposite directions in a wave.
C) right angles to the wave direction.
D) none of the above
Correct Answer:
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Q14: A wave of frequency of 1000 hertz
Q15: The speed of sound depends on
A)its frequency.
B)its
Q16: The kind of waves that travel fastest
Q17: The approximate range of human hearing is
A)10
Q18: Sound travels faster in air if the
Q20: Which does NOT belong to the same
Q21: When sound travels faster higher above the
Q22: When sound travels faster near the ground
Q23: An explosion occurs 34 km away. The
Q24: Sound refraction can occur when the speed
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