Physics
Grade-8
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:
- Peak=crest
- Valley=trough
The correct answer is: Crest, trough
- The crest is represented by a peak.
- The trough is represented by the valley.
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