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# Waves Concept map

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by Jason Lun on 10 May 2010

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#### Transcript of Waves Concept map

Waves Wave Length Frequency Period Amplitude Formulas Velocity = Wave length / Period Period = 1 / Frequency This also works out to be:
Wave length(λ) x Frequency The Two Main types of Waves There are many different types of waves,
but the two main types of waves are
longitudinal and transverse. Transverse Waves Transverse Waves can be shown via
examples such as water waves, waves
of light that come from the sun, UV waves
and also Infared waves. The difference between
the sun, UV, Infared and water waves, is that the
latter needs matter to pass through matter,
whereas the other three can pass through vacuums
unaffected. These two different waves are called
electromagnetic and transverse matter waves.
This is an example of the many different types of waves UV Infared Water
Waves Light Radiation Longitudinal Waves Longitudinal waves can be shown via examples
such as sound or seismic waves. Longitudinal waves
are also known as compression waves, as they sort of
act like the balls of Newton's Cradle, needing to pass
motion along. Another way of describing the way that
Longitudinal waves travel is the poplar game, Chinese
Whispers, as each person takes the message to the next
in line. This is why sound cannot be heard in space, as it
needs air molecules to pass through in order to be heard,
and as space is a vacuum, this does not work. Seismic
waves also work this way, travelling through the Earth's
surface. This is another example of the many types of waves. Seismic Waves Sound Waves By Jason Lun
9e
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