Practice Quiz

MCAS Physics Exam Practice

Category - Introductory Physics

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Which of the following would cause a change in the speed of a mechanical wave?
  1. the wave moving through a liquid
  2. the wave moving from a solid to a gas
  3. the wave being made by a larger vibration
  4. the wave being made by a smaller vibration
Explanation
Answer: B - the wave moving from a solid to a gas.
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