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JAMB Physics 1993 Question 24

Question 24

Sound

The fundamental frequency of vibration (f) of a wire is measured as a function of the tension (T) in the wire. Which of the following curves adequately represents the data?

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

Answer: C (Graph C)

Explanation

f ∝ √T, so f2 ∝ T: a graph of f2 against T is a straight line through the origin, as in graph C.