what-are-the-crest-and-trough-of-a-wave

Question

What are the crest and trough of a wave?

Accepted Answer

The crest is the highest point and the trough is the lowest point of a wave.

Answer

The crest is the lowest point and the trough is the highest point of a wave.

Answer

Both crest and trough refer to the highest points of a wave.

Answer

Both crest and trough refer to the lowest points of a wave.