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⚡ Waves

Spec 4.6 Paper 2 📙 Higher

📋 Subtopics — click any to open full notes

Transverse and Longitudinal Waves Spec 6.6.1.1 +

Sound Waves and Hearing Spec 6.6.1.4 (HT only, physics only) +

Waves for Detection and Exploration Spec 6.6.1.5 (HT only, physics only) +

Properties of Waves Spec 6.6.1.2 +

Types of Electromagnetic Waves Spec 6.6.2.1 +

Properties of Electromagnetic Waves 1 Spec 6.6.2.2 +

Properties of Electromagnetic Waves 2 and Hazards Spec 6.6.2.3 +

Uses and Applications of Electromagnetic Waves Spec 6.6.2.4 +

Wave Front Diagrams and Refraction Spec 6.6.2 (HT only) +

Lenses Spec 6.6.3 (physics only) +

Infrared Emission, Absorption and Black Bodies Spec 6.6.5 (physics only) +

Radiation Balance and Earth's Temperature Spec 6.6.5.4 (HT only) +

💡 Click a subtopic title or the + button to open the full notes, quiz and examples.

📐 Key Equations

v = fλ

T = 1/f

⭐ Higher Tier Content

Reflection angle = incidence angle

Refractive index n = sin i / sin r

🔬 Triple Science Extensions

Sound waves, hearing and ultrasound

Seismic waves and SONAR

Lenses and vision correction

Infrared emission and black bodies

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Magnetism and Electromagnetism