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JAMB Physics 2004 Question 40

Question 40

Waves

I. Wavelength II. Medium of propagation III. Wave velocity IV. Frequency V. Energy
Which of the above are used for characterizing waves?

  1. A.I, II and V
  2. B.III, IV and V
  3. C.I and IV
  4. D.I, III and IV
Show the answer and explanation

Answer: D (I, III and IV)

Explanation

A wave is described by its wavelength, frequency and speed (linked by v = fλ); the medium and energy do not characterise it.