what are different types of sound waves and explain them.

 there are two main types of waves: transverse and longitudinal.

Longitudinal waves are where the vibration moves parallel to the direction the wave is travelling. A Slinky can help us understand this, because a longitudinal wave can be created by pushing a Slinky along its length, sending a pulse across it. Transverse waves on the other hand is where the vibration is at 90 degrees to the motion of the waves. This time we have to move the Slinky side-to-side. Light waves and water ripples are transverse, but sound waves are longitudinal.

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