4. measures how far the particles move from the rest position.\na frequency\nb amplitude\nc wavelength\nd…

4. measures how far the particles move from the rest position.\na frequency\nb amplitude\nc wavelength\nd wavespeed

4. measures how far the particles move from the rest position.\na frequency\nb amplitude\nc wavelength\nd wavespeed

Answer

Brief Explanations:

Frequency is the number of waves per unit time. Wavelength is the distance between two - consecutive identical points on a wave. Wavespeed is the speed at which a wave travels. Amplitude measures the maximum displacement of particles from their rest position.

Answer:

B. Amplitude