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JAMB Physics 1992 Question 22

Question 22

Sound

A note is the octave of another note if it has

  1. A.a frequency twice that of the first note
  2. B.frequency half that of the first note
  3. C.the same fundamental frequency as the first one
  4. D.a frequency eight times that of the first note.
Show the answer and explanation

Answer: A (a frequency twice that of the first note)

Explanation

A note one octave above another has exactly twice its frequency.