When the bottom tip of a vibrating tuning fork is held in contact with a wooden box, a louder sound is heard. This phenomenon is known as
A
beats
B
echoing
C
resonance
D
reverberation
Verified Correct Answer: C.
Physical Principles & Numerical Solution
The wooden box is in forced vibration, and the louder sound(higher amplitude) heard arises from the fork's forcing frequency coinciding with the box's natural frequency.
Source: Myschool Past Questions Archive (Record #28194)