Which phrase correctly defines the amplitude of a wave?(1 point)

Question

Which answer is the best?

a) the vertical distance from the trough of a wave to the crest

b) the horizontal distance from the crest of one wave to the crest of the next wave

c) the vertical distance from the crest or trough of a wave to the equilibrium

d) the horizontal distance from the trough of one wave to the trough of the next wave

Answer 1

c) the vertical distance from the crest or trough of a wave to the equilibrium.