sound is an example of a light wave.
A sound wave is an example of a longitudinal wave. A device used to measure the length and pitch of the sound wave is call a oscilloscope.
Sound Wave
An echo is a sound wave that has bounced off a surface
I am guessing a sound wave.
londitudinal
Sound Wave
A sound wave or an ocean wave, for example
longitudinal wave. Example: Sound wave
Sound waves aren't an electromagnetic wave. So aren't seismic waves. So aren't waves in the ocean, in your hair, or waves bye-bye.
sound
A wave is a back and fro motion of particles due to vibration or oscillation, example: The sound wave which is due to the vibration of the vocal cords.