Physics Waves

George Coote
Mind Map by George Coote, updated more than 1 year ago
George Coote
Created by George Coote almost 5 years ago


Mind Map on Physics Waves, created by George Coote on 03/13/2015.

Resource summary

Physics Waves
1 Light Spectrum
1.1 Gamma Rays
1.2 X-Rays
1.3 Ultraviolet
1.3.1 Johan Ritter, 1801
1.4 Visible Spectrum
1.5 Microwaves
1.6 Radio
1.7 Infrared
1.7.1 Frederick Herschel, 1800
2 Properties
2.1 Waves carry information and energy
2.2 Waves do not need a medium to travel through
2.3 Transverse waves oscillate at right angle to the direction of travel
2.4 Longitudinal waves oscillate in a single direction
3 Amplitude, wavelengths and frequency
3.1 Amplitude: Height of wave
3.2 Wavelength: Length of wave
3.3 Frequency: Number of times the wave passes the same points (in Hz)
4 Wave speed = v = f × λ
4.1 v = Wave speed in metres per second
4.2 f = Frequency in hertz
4.3 λ = Wave length in meters
5 Refraction and defraction
5.1 Refraction:When waves pass across a boundary with materials with varying densities
5.1.1 Change in direction
5.2 Diffraction
5.2.1 When waves spread out when they "jump" a gap.
6 Seismic Waves
6.1 P-waves: Longitudinal, faster
6.2 S-waves: Transverse
6.3 Cause earthquakes
6.4 S-waves can only travel through solids, whereas P-waves can move through solids and liquids
6.5 Location of an earthquake can be calculated by calculating the difference between P and S-waves
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