Question

The topmost point of a wave is called a while the bottom most point is called the .

• A. crest
• B. peak
• C. channel
• D. trough

Answer 1

Answer: (A), (D)

The correct options are
A crest
D trough

The topmost point of a wave is called a crest while the bottom most point is called the trough. The distance between two adjacent crests is the wavelength. The vertical distance between the crest and the trough is the wave height.