Answers

2014-09-04T18:11:44+08:00
There are different types of sound waves. Sound sent through liquids or gas are called compression waves. Sound sent through solids are called longitudinal and transverse waves.
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2014-09-04T18:31:22+08:00
Transverse waves particlesmove perpendicular to the motion of the wave
       &
Longitudinal waves particlesvibrate parallel to the directionof the wave motion
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Transverse wave - the movement of particles in perpendicular to the direction of wave travel .
Longitudinal wave - pushing and pulling of a material . Movement of the particles in parallel to the direction of wave travel .