It is called frequency
Sound travels as a wave.
Sound is a longitudinal, mechanical wave that requires a medium.
Longitudinal wave
The sound wave only travels in a medium, where the wave is in Longitudinal format.
No, sound is a wave not a current.
Yup.
A is wrong. B is right C is right D is wrong A: Sound travels as a wave, therefore it does not travel in a straight line. B: Sound travels in a wave. C: The sound wave is a form of energy; all waves are. D: Sound cannot travel in a vaccuum. A is not entirely wrong.
solids
A sound wave begins with a viabration wich disturbance that travels through a medium as a lontitudal wave.
Reflected
Reflected
A sound wave is logitudinal because the motion of the medium (air) travels in the same direction as the wave (back and forth).