Physics
Grade-8
Easy

Question

A trough represents ______.

  1. Maximum compression
  2. Minimum compression
  3. Minimum rarefaction
  4. None of the above

hintHint:

Maximum rarefaction= minimum compression

The correct answer is: Minimum compression


    • The rarefaction is the part of the wave that has the lowest density and lowest pressure.
    • Maximum rarefaction= minimum compression.
    • Therefore, it is represented by a trough.

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