Amplitude and wavelength
Amplitude and wavelength

The amplitude AAA is the maximum displacement from the undisturbed position. Measure it vertically from the centre line to a crest or trough, not from trough to crest.
Step-by-step lessons on AQA GCSE Physics 6.1.2 Properties of waves. Each one builds up to exam-style questions. Build a strong grip on equations, units and Key Stage 3 fundamentals before tackling the more demanding topics like electromagnetism, the particle model of matter and space physics.