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- And that is exactly the Longitudinal wave! If the source of the wave moves from left to right, the waves will move also in the same direction! Hmm, you seem to understand the waves now, right?
- Hahaha! Nice one Rhys, come on!
- Thanks to you your examples! Come on, let me treat you a burger, I can hear the growling sound of my stomach, the sound is a longitudinal wave, right?
- I still don't get it can you give concrete examples please?
- Sure, let's start with Mechanical waves, these waves are made up of disturbances that require a medium to propagate. Try wiggling this rope up down you will see the mechanical wave. The wave created is from the movement of 1 molecule which causes the movement of other molecules in the same direction.
- You said earlier that EM waves can travel through a vacuum, so I'm thinking of light as an example since the light propagates through a vacuum between the earth the sun!
- This is exciting! Tell me more about it please.
- Perfect example there Rhys! But you know Mechanical waves are further divided into 2 categories: the longitudinal transverse waves.
- IIn Transverse waves, the displacement of the particle is perpendicular to the direction of the propagation of the waves. Let's go outside I will show you an example.
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