The sound from a vibrating tuning sound is 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 generates additional energy
B. air molecules obsorb sound wave but wood transmit sound waves
C. the table increases the frequency of the turning fork
D. a large mass of air is set into vibration by the table  

Show Answer Show Explanation

Correct Answer: D