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JAMB Physics 1991 Question 32

Question 32

Sound

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

  1. A.beats
  2. B.echoing
  3. C.resonance
  4. D.reverberation.
Show the answer and explanation

Answer: C (resonance)

Explanation

The box is made to vibrate with the fork (forced vibration/resonance), so a bigger area moves the air and the sound is louder.