Waves

Becca Gaden
Mind Map by Becca Gaden, updated more than 1 year ago
Becca Gaden
Created by Becca Gaden about 6 years ago
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GCE A level Applied Science A2 Mind Map on Waves, created by Becca Gaden on 02/26/2014.
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Waves
1 Definitions
1.1 The movement of energy
1.2 Osolation of a medium point
1.3 The electromagnetic spectrum
2 Measurements and equations
2.1 The wavelength is measured in metres (m)
2.2 Frequency is measured in hertz (Hz)
2.2.1 The frequency of a wave is the same as the pitch.
2.3 Velocity/speed is measured in metres per second (m/s)
2.4 The wave equation:
2.4.1 V = f x lambda
3 Different types of waves that can be used
3.1 Radiowaves
3.1.1 TV satelites
3.2 microwaves
3.2.1 Mobile phones
3.3 Infrared radiation
3.3.1 Remote controls
3.4 Visible light
3.4.1 colours of the electromagnetic spectrum
3.5 Ultraviolet
3.5.1 Detecting false money
3.6 x-rays
3.7 gamma rays
3.7.1 Kill cancer cells
4 How does our body detect waves?
4.1 Ears- detect sound:
4.1.1 Sound travels using particles and these particles vibrate, which means that the ears vibrate and this vibrates the ear drums also. A signal is then sent to the brain, the brain then detects the sound and ultimately identifies it.
4.2 Eyes detect light
4.2.1 Detect light through their wavelength
4.3 The body cannot detect radiowaves, microwaves etc.
5 Different types of waves
5.1 Transverse waves
5.1.1 belong to the electromagnetic spectrum . All waves from the electromagnetic spectrum have both an electrical and a magnetic part.
5.1.2 Osolation is 90* to the direction of travel
5.2 Longitudinal waves
5.2.1 (Sound) Osolation is in the same direction of travel as the direction it is travelling in
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