Physics
Grade-7
Easy
Question
A peak is called a ____ and a valley is called a ____ of a wave.
- Crest, crest
- Trough, trough
- Crest, trough
- Trough, crest
Hint:
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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