waves
TRANSCRIPT
![Page 1: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/1.jpg)
Waves
Ms. Juanita Larraín-Linton
![Page 2: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/2.jpg)
Two types of waves
![Page 3: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/3.jpg)
Transverse waves
“Up and down”: oscillations
![Page 4: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/4.jpg)
Transverse waves
![Page 5: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/5.jpg)
Transverse waves
![Page 6: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/6.jpg)
Longitudinal waves
“Back and forth”
rarefraction
compression
![Page 7: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/7.jpg)
Longitudinal waves
![Page 8: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/8.jpg)
Wavefronts
![Page 9: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/9.jpg)
Wavefronts
Each line is a compression
![Page 10: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/10.jpg)
Wavefronts
Each line is a peak (or crest)
![Page 11: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/11.jpg)
Describing waves
Speed
Frequency
Wavelength
Amplitude
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Speed
How fast a wave moves
UNIT: m / s
![Page 13: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/13.jpg)
Frequency
How many waves pass through a certain point per second
UNIT: Hz (hertz)
![Page 14: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/14.jpg)
Wavelength
Distance between wavefronts (peaks or compressions)
UNIT: m
![Page 15: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/15.jpg)
Amplitude
Refers to the magnitude of the wave
How “high” a peak is
![Page 16: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/16.jpg)
Period
How long one wave cycle is (UNIT: s)
UNIT: s
![Page 17: Waves](https://reader030.vdocuments.mx/reader030/viewer/2022032504/55c3cf0bbb61eb97318b4686/html5/thumbnails/17.jpg)
Period and frequency
Period: how long it takes one wave to cycle
Frequency: how many waves pass through one point in a second
T = 1 / f