passwella.
Menu

JAMB Physics 1995 Question 30

Question 30

Sound

Which of the diagrams below represents the second overtone of a vibrating string fixed at both ends?

Diagram for this question
  1. A.Diagram A
  2. B.Diagram B
  3. C.Diagram C
  4. D.Diagram D
Show the answer and explanation

Answer: C (Diagram C)

Explanation

The fundamental has one loop, the first overtone two loops and the second overtone three loops. Diagram C shows three loops.