P1 Ch5

P1 Ch5

1. The Nature Of Waves

   • We use waves to transfer energy and transfer information
   • Transverse waves vibrate at right angles to the direction of energy transfer of the waves. All electromagnetic waves are transverse waves.
   • Longitudinal waves vibrate parallel tot the direction of energy transfer of the waves. A sound wave is an example of a longitudinal wave.
   • Mechanical waves, which need a medium to travel through, may be transverse or longitudinal waves.

2. Measuring Waves

   • For any wave, its amplitude is the height of the wave crest or the depth of the wave trough from the position at rest.
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3. Nature of Waves

   • We use waves to transfer energy and information
   • Transverse waves vibrate at right angles to the direction of energy transfer of the waves. All electromagnetic waves are transverse waves
   • Longitudinal waves vibrate parallel to the direction of energy transfer of the waves. A sound wave is a example of a longitudinal wave.
   • Mechanical waves, which need a medium to travel through, may be transverse or longitudinal.

4. Measuring Waves

   • For any wave, its amplitude is the height of the wave crest or depth of the wave trough from its position at rest.