Waves and the electromagnetic spectrum

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Describe transverse and longitudinal waves and define amplitude, wavelength, frequency and period; use v = fλ and T = 1/f
Required practical: measure the speed of water waves in a ripple tank and of waves on a stretched string
Describe the order, properties, uses and hazards of the electromagnetic spectrum (radio waves to gamma rays), including ionising effects of UV, X-rays and gamma rays

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Required practical (AQA): investigate how the type of surface affects the infrared radiation emitted or absorbed; (Edexcel, OCR, Cambridge, WJEC) sound waves, reflection, lenses, total internal reflection and dispersion as specified by your board

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