Which phrase correctly defines the amplitude of a wave?(1 point)
Responses
A. the horizontal distance from the crest of one wave to the crest of the next wave
B. the vertical distance from the crest or trough of a wave to the equilibrium
C. the horizontal distance from the trough of one wave to the trough of the next wave
D. the vertical distance from the trough of a wave to the crest
1 answer
B. the vertical distance from the crest or trough of a wave to the equilibrium