Physics > 2004 > 35
WASSCE
The sound from a vibrating tuning fork is louder when the tip of its stem is placed on a wooden table than when in air because
A.
the friction between the table and the tuning fork generate additional energy
B.
air molecules absorb sound waves but wood transmits sound waves
C.
the table increases the frequency of the tuning fork
D.
a larger mass of air is set into vibration by the table
Answer: D
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