A report on WaveStanding wave and Seismic wave

Surface waves in water showing water ripples
Animation of a standing wave ( red ) created by the superposition of a left traveling ( blue ) and right traveling ( green ) wave
Body waves and surface waves
Example of biological waves expanding over the brain cortex, an example of spreading depolarizations.
Longitudinal standing wave
p-wave and s-wave from seismograph
Wavelength λ, can be measured between any two corresponding points on a waveform
Transient analysis of a damped traveling wave reflecting at a boundary
Velocity of seismic waves in Earth versus depth. The negligible S-wave velocity in the outer core occurs because it is liquid, while in the solid inner core the S-wave velocity is non-zero
Animation of two waves, the green wave moves to the right while blue wave moves to the left, the net red wave amplitude at each point is the sum of the amplitudes of the individual waves. Note that f(x,t) + g(x,t) = u(x,t)
Standing wave in stationary medium. The red dots represent the wave nodes.
The sense of motion for toroidal 0T1 oscillation for two moments of time.
Sine, square, triangle and sawtooth waveforms.
A standing wave (black) depicted as the sum of two propagating waves traveling in opposite directions (red and blue).
The scheme of motion for spheroidal 0S2 oscillation.Dashed lines give nodal (zero) lines. Arrows give the sense of motion.
Amplitude modulation can be achieved through f(x,t) = 1.00×sin(2π/0.10×(x−1.00×t)) and g(x,t) = 1.00×sin(2π/0.11×(x−1.00×t))only the resultant is visible to improve clarity of waveform.
Electric force vector (E) and magnetic force vector (H) of a standing wave.
Earthquake wave paths
Illustration of the envelope (the slowly varying red curve) of an amplitude-modulated wave. The fast varying blue curve is the carrier wave, which is being modulated.
Standing waves in a string – the fundamental mode and the first 5 harmonics.
The hypocenter/epicenter of an earthquake is calculated by using the seismic data of that earthquake from at least three different locations. The hypocenter/epicenter is found at the intersection of three circles centered on three observation stations, here shown in Japan, Australia and the United States. The radius of each circle is calculated from the difference in the arrival times of P- and S-waves at the corresponding station.
The red square moves with the phase velocity, while the green circles propagate with the group velocity
A standing wave on a circular membrane, an example of standing waves in two dimensions. This is the fundamental mode.
P- and S-waves sharing with the propagation
A wave with the group and phase velocities going in different directions
A higher harmonic standing wave on a disk with two nodal lines crossing at the center.
Standing wave. The red dots represent the wave nodes
Light beam exhibiting reflection, refraction, transmission and dispersion when encountering a prism
Sinusoidal traveling plane wave entering a region of lower wave velocity at an angle, illustrating the decrease in wavelength and change of direction (refraction) that results.
Identical waves from two sources undergoing interference. Observed at the bottom one sees 5 positions where the waves add in phase, but in between which they are out of phase and cancel.
Schematic of light being dispersed by a prism. Click to see animation.
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Formation of a shock wave by a plane.
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A propagating wave packet; in general, the envelope of the wave packet moves at a different speed than the constituent waves.
Animation showing the effect of a cross-polarized gravitational wave on a ring of test particles
One-dimensional standing waves; the fundamental mode and the first 5 overtones.
A two-dimensional standing wave on a disk; this is the fundamental mode.
A standing wave on a disk with two nodal lines crossing at the center; this is an overtone.

In physics, a standing wave, also known as a stationary wave, is a wave that oscillates in time but whose peak amplitude profile does not move in space.

- Standing wave

Seismic waves are waves of acoustic energy that travel through the Earth.

- Seismic wave

When the entire waveform moves in one direction, it is said to be a traveling wave; by contrast, a pair of superimposed periodic waves traveling in opposite directions makes a standing wave.

- Wave

Other examples of mechanical waves are seismic waves, gravity waves, surface waves, string vibrations, and vortices.

- Wave

Free oscillations of the Earth are standing waves, the result of interference between two surface waves traveling in opposite directions.

- Seismic wave

Standing surface waves on the Earth are observed as free oscillations of the Earth.

- Standing wave
Surface waves in water showing water ripples

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