Wave basics
- Created by: jaaaz_v
- Created on: 29-05-15 19:22
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- Wave basics
- Amplitude is the distance from the rest position to the crest (peak)
- Wavelength is the length of the full cycle of a wave
- Distance from crest to crest
- Frequency is the number of waves per second
- Measured in Hertz (Hz)
- TRANSVERSE waves have perpendicular vibrations in the direction of the wave
- Perpendicular to the DIRECTION OF ENERGY TRANSFER
- Light and EM waves are transverse
- +ripples on water
- +waves on strings
- Electromagnetic waves don't need a medium
- Can travel through vauums
- ~~~
- LONGITUDINAL waves have vibrations that are parallel to the direction of the wave
- Parrallel to the DIRECTION FO ENERGY TRANSFER
- Sound waves and ultrasound waves
- +shock waves
- Water waves, shock waves, and waves in springs are mechanical waves
- They need a medium to travel through
- Compress and rarefact
- Wave speed = frequency x wavelength
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