Question

Waves form at the surface of the water and travel outward from the point of the disturbance.

The diagram below is based on a single frame from a video of the waves that formed when a stone was dropped into water.



If a student were to measure the distance labeled as "Z," she would know the value of the _______ of the wave.

Question 1 options:

radius


wavelength


amplitude


frequency

Answer 1

B) wavelength
Notice how Z goes from one wave's crest (top) to another's crest. Wavelength can also be measured from a wave's trough (bottom) to the next one's trough.