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AQA

3.3 Waves

In this section on waves there is the development of GCSE content about the properties of travelling waves. Topics include refraction, diffraction, superposition and interference as well as stationary waves. 

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Learning Checklist

3.3.1 Progressive and Stationary Waves  

Wave Properties

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Transverse and longitudinal waves

Polarisation

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Evidence for the nature of transverse waves

Electromagnetic Waves

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Oscillating electric and magnetic fields

Stationary Waves

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Waves that store energy

3.3.2 Refraction, Diffraction and Interference

Interference

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Interaction of two or more waves

Diffraction Gratings

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Plane transmission gratings

Total Internal Reflection

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1

TIR in different mediums

The Double Slit

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Young's famous experiment

Refraction

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Changing direction of a wave

Optical Fibres

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1

High-speed digital communication

Practical Experiments

Practical - Stationary Waves

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Investigating a wave on a string

Practical - Diffraction Grating

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Measuring the wavelength of light

Practical - Double Slit

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3

Measuring the wavelength of light

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