True, In a longitudinal wave, the wave direction and the disturbance are parallel to each other., In a transverse wave, the wave direction and the direction of the disturbance are perpendicular to each other., Mechanical waves need a medium for the disturbance to be transferred., A wavelength in a transverse wave is the distance between two troughs., In a longitudinal wave of a spring, a compression can be represented by coils being closer together., In a longitudinal wave with air particles, a rarefaction is shown by lower air pressure (particles further apart)., One longitudinal wave can be represented by one compression followed by one rarefaction., A wave does not transfer matter., False, In a transverse wave, the wave direction and the direction of the disturbance are parallel to each other., A water wave on the ocean can be described only as a transverse wave., Electromagnetic waves are a type of mechanical wave., In a longitudinal wave with air particles, a rarefaction is shown by higher air pressure (particles closer together)., Increasing the amplitude of a wave can be represented by a shorter distance between the crest and resting position., A sound wave is an example of a transverse wave., Sound can travel through a vacuum (a space with no particles).

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