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Physics · Triple Science Foundation

Waves

Spec 4.6Paper 22 required practicals8 subtopics

Subtopics

1 Transverse and Longitudinal Waves Describe transverse and longitudinal waves and give examples of each. Spec 6.6.1.1 2 Properties of Waves Define amplitude, wavelength, frequency, period and wave speed, and use v = fλ. Spec 6.6.1.2 3 Types of Electromagnetic Waves Describe the electromagnetic spectrum and the properties all EM waves share. Spec 6.6.2.1 4 Properties of Electromagnetic Waves 1 Describe refraction of EM waves and construct ray diagrams at boundaries. Spec 6.6.2.2 5 Properties of Electromagnetic Waves 2 and Hazards Describe hazards of EM radiation and how different waves interact with matter. Spec 6.6.2.3 6 Uses and Applications of Electromagnetic Waves Describe the uses of each type of electromagnetic wave and explain why each type is suitable. Spec 6.6.2.4 7 Lenses Describe how converging and diverging lenses refract light and construct ray diagrams. Spec 6.6.3 (physics only) 8 Infrared Emission, Absorption and Black Bodies Describe infrared emission and absorption by surfaces and explain perfect black body radiation. Spec 6.6.5 (physics only)

Triple science extension

Sound waves, hearing and ultrasound

Seismic waves and SONAR

Lenses and vision correction

Infrared emission and black bodies

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