Learning objectives
Describe wave motion as a transfer of energy without a transfer of matter, using examples such as ropes, springs and ripple tanks
Define wavefront, wavelength, frequency, amplitude, crest, trough and wave speed, and use v = fλ in calculations
Distinguish transverse waves from longitudinal waves by the direction of vibration relative to the direction of travel, and give examples of each
Describe how a ripple tank demonstrates reflection at a plane surface, refraction when the wave speed changes at a boundary, and diffraction through a gap or at an edge
Describe how the amount of diffraction depends on the wavelength compared with the width of the gap (Extended)
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