Which of the following are transverse waves? I. Ripples on water II. Sound waves in...
PHYSICS
WAEC 1994
Which of the following are transverse waves? I. Ripples on water II. Sound waves in air III. Light waves from the sun?
- A. II only
- B. I only
- C. II and III only
- D. I and II only
Correct Answer: B. I only
Explanation
Transverse waves cause the medium to move perpendicular to the direction of the wave. Longitudinal waves cause the medium to move parallel to the direction of the wave. Examples of Transverse waves are water waves, light waves, radio waves and string / rope waves. Important example of Longitudnal waves is sound wave.
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