passwella.
Menu

JAMB Physics 1987 Question 29

Question 29

Sound

Which of the following instruments has a pure tone?

  1. A.guitar
  2. B.vibrating string
  3. C.tuning fork
  4. D.siren
Show the answer and explanation

Answer: C (tuning fork)

Explanation

A tuning fork vibrates at a single frequency with almost no overtones, so it gives a pure tone.