Introduction to Waves

Revise the GCSE content at GCSEPhysicsOnline.com*

• Waves [FREE] - Longitudinal and transverse waves explained

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• Wave Speed [FREE] - How to measure how fast these waves are travelling

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• Reflection, Transmission and Absorption [FREE] - Bouncing waves

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• Sound [FREE] - Particle vibrations between 20 and 20,000 Hz, and how our ears pick these up 

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• Ultrasound [FREE] - With a frequency higher than 20,000 Hz these have many uses 

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• Seismic Waves [FREE] - Produced during earthquakes, these allow us to 'see' inside the Earth 

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• The Electromagnetic Spectrum - A range of transverse waves with many uses​​

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• Refraction - Waves that change direction when they meet a boundary​​

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• Critical Angle and Refraction Equations - TIR and how to calculate the angles​​

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