- Plane Waves
- Circular Waves
With wavefront, we are able to find the displacement.
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In the centre of the ocean, the wavefronts are straight and parallel to each other. This is because the water waves travel at uniform sp... -
Refraction, or the bending of the path of the waves, is accompanied by a change in speed and wavelength of the waves. The most significan... -
During the day, the layers of air near the ground is warmer than the layers of air higher up. Air layer near the ground is less dense. T... -
Noise Cancellation Noise cancellation is a method to reduce or completely cancel out undesirable sound. A noise-cancellation speaker emits... -
There are two laws of reflection. Law 1 The normal and the incident and reflected rays are coplanar. They lie in the same plane. Law 2 ...
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Echoes are caused by the reflection of sound. A sound wave will continue to bounce around or reverberate until it has lost all its energy. A... -
Interference is the effect of superposition of two waves from two coherent sources. Coherent waves are the waves that can produce same f... -
Diffraction is the spreading of a wave as it goes through a narrow gap or passes round a small obstacle. The effect of diffraction increas... -
Amplitude, A is the maximum displacement of a particle from the equilibrium position. The amplitude is a measure of energy carri... -
Generally, there are three characteristics of sound: frequency affects pitch of the sound amplitude affects loudness of the sound w...
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