Wave Notes
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Waves
The transport of energy without the transport of matter
P waves / longitudinal waves
• Shakes the ground back and forth in the same direction and opposite direction. -They move fast -sound waves -needs a medium or material to pass through
S waves / transverse waves
-Secondary wave -moves slowly up and down -light waves
Amplitude
-Measures the height of the wave from the crest (high point) or trough (low point) of the wave to the midline *higher amplitude = higher energy
Wave Length
Measures the horizontal distance between cycles *Crest to crest *shorter wavelength = higher energy
Frequency
Number of wave cycles that are completed in one second *higher frequency = higher energy
Electromagnetic Spectrum
Light waves with different energies, wavelengths, and frequencies
Visible Light waves
-Light that humans can see -Red, Orange, Yellow, Green, Blue, Indigo, Violet (ROY G BIV)
Transmission
The passing of waves through or into a medium
Reflection
The bouncing back of a wave after it strikes a barrier or object.
Absorbtion
The process of taking in or soaking up energy carried by a light wave.
Refraction
The bending of a wave when it strikes a medium at an angle.