Franz Melde coined the term "standing wave" (German: stehende Welle or Stehwelle) around 1860 and demonstrated the phenomenon in his classic experiment with vibrating strings. ![]() Faraday observed standing waves on the surface of a liquid in a vibrating container. Standing waves were first noticed by Michael Faraday in 1831. The locations at which the absolute value of the amplitude is minimum are called nodes, and the locations where the absolute value of the amplitude is maximum are called antinodes. The peak amplitude of the wave oscillations at any point in space is constant with respect to time, and the oscillations at different points throughout the wave are in phase. ![]() ![]() In physics, a standing wave, also known as a stationary wave, is a wave which oscillates in time but whose peak amplitude profile does not move in space. Animation of a standing wave ( red) created by the superposition of a left traveling ( blue) and right traveling ( green) wave
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