A tuning fork produces sound by:
AVibration of its prongs
BHeating
CMagnetic effect
DChemical reaction
Answer & Solution
Correct answer: A. Vibration of its prongs
When struck, the tuning fork's prongs (tines) vibrate. These vibrations propagate to surrounding air molecules as compressions and rarefactions — sound waves. Tuning forks are useful in acoustics experiments because they produce sound of a single frequency.
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