Physics
Grade-7
Easy

Question

A peak is called a ____ and a valley is called a ____ of a wave.

  1. Crest, crest 
  2. Trough, trough 
  3. Crest, trough 
  4. Trough, crest 

hintHint:

Crest, trough

The correct answer is: Crest, trough


    the highest part of the wave is called crest, and the lowest part is the trough, which forms a valley.

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