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JAMB Physics 2008 Question 28

Question 28

Waves

The fundamental property of a propagating wave which depends only on the source and not the medium of propagation is the

  1. A.wavelength.
  2. B.harmonics.
  3. C.frequency.
  4. D.velocity.
Show the answer and explanation

Answer: C (frequency.)

Explanation

When a wave passes into another medium its speed and wavelength change, but its frequency stays the same because it is set by the vibrating source.