Waves
- Created by: Emma
- Created on: 09-05-13 11:28
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- Waves
- Transverse
- Vibrate at right angles to the direction of the wave
- Electromagnetic waves
- Displacement against distance graphs
- Displacement against time graphs
- Longitudinal
- Sound
- Vibrate along the direction of travel
- Compressions and rarefractions
- Can't go through a vacuum
- Polarisation
- Waves only oscillate in one direction
- Polarising filters only transmit vibrations in one direction
- Can only happen for transverse waves
- When light reflects it is partially polarised
- When viewing a reflected ray through a polarising filter...
- ...The intensity of the light leaving the filter changes with the orentation of the filter
- Transverse
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