The natural frequency of an object depends on its
A) elasticity.
B) size and shape.
C) both of these
D) none of the above
Correct Answer:
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Q13: Sound waves cannot travel in
A)air.
B)water.
C)steel.
D)a vacuum.
Q59: Infrasonic sound waves have relatively
A)low frequencies.
B)long wavelengths.
C)both
Q61: Some singers are able to shatter a
Q62: The explanation for all types of refraction
Q63: When sound travels faster higher in the
Q65: A bass fiddle is louder than a
Q66: Troops break step when marching across a
Q67: "Sympathetic vibrations" refers to
A)beats.
B)interference.
C)pitch.
D)resonance.
Q68: On days when the air nearest the
Q69: Sound refraction depends on the speed of
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