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What is the difference between phase and group velocity?
Phase velocity refers to the speed at which the phase of a wave propagates through space, while group velocity refers to the speed at which the envelope of the wave (group of wave packets) propagates through space. In many situations, the phase velocity can be different from the group velocity, leading to phenomena like dispersion.
What is phase velocity?
Phase velocity is the speed at which the phase of a wave propagates through a medium. It is the rate at which the phase of a wave changes with respect to time or distance. Phase velocity is different from group velocity, which describes how the overall shape of a wave packet moves.
What is group velocity?
Group velocity is the velocity of the energy or information carried by a wave packet in a medium. It represents how fast the shape of the wave packet moves through the medium while maintaining its integrity. It can be different from the phase velocity of the individual waves that make up the packet.
What is wave velocity and particle velocity?
The speed the wave is traveling through space
WHAT WILL BE the phase Difference between acceleration and velocity of particle during SHM?
The phase difference between acceleration and velocity of a particle in simple harmonic motion is π/2 radians (or 90 degrees). This means that at any given point in time, the velocity of the particle lags behind its acceleration by a quarter of a cycle.
What is the difference between phase and group velocity?
Phase velocity refers to the speed at which the phase of a wave propagates through space, while group velocity refers to the speed at which the envelope of the wave (group of wave packets) propagates through space. In many situations, the phase velocity can be different from the group velocity, leading to phenomena like dispersion.
What is the difference between group velocity and phase velocity in a stationary wave on a string?
The velocity of a wave which maintains consatnt phase at all successive positions during propogation is known as wave velocity or phase velocity. The velocity of a group of waves which maintains constant poditions during the propogation is known as group velocity.
Can phase velocity exceed the speed of light?
Yes, phase velocity can exceed the speed of light in certain mediums. This is known as superluminal phase velocity. However, this does not violate the principle of causality or the speed of light in vacuum as it is the group velocity, rather than the phase velocity, that carries the information in a wave.
What is phase velocity?
Phase velocity is the speed at which the phase of a wave propagates through a medium. It is the rate at which the phase of a wave changes with respect to time or distance. Phase velocity is different from group velocity, which describes how the overall shape of a wave packet moves.
What is group velocity?
Group velocity is the velocity of the energy or information carried by a wave packet in a medium. It represents how fast the shape of the wave packet moves through the medium while maintaining its integrity. It can be different from the phase velocity of the individual waves that make up the packet.
Drift velocity in two-phase flow?
it is the relative velocity of two phase that is gas and liquid.
What are some of the classical mechanics for a Slinky?
Some of the classical mechanics for a slinky include The Klein Gordon Equation, Phase Velocity, Group Velocity, and The Sine-Gordon or Pendulum Equation. There is also Electrostatics, and The Discrete Fourier Transform.
What is wave velocity and particle velocity?
The speed the wave is traveling through space
What is group velocity in waveguide?
Group velocity in a waveguide is speed at which EM energy travels in the guide.It will always be less then speed light.
WHAT WILL BE the phase Difference between acceleration and velocity of particle during SHM?
The phase difference between acceleration and velocity of a particle in simple harmonic motion is π/2 radians (or 90 degrees). This means that at any given point in time, the velocity of the particle lags behind its acceleration by a quarter of a cycle.
The speed at which a wave travels through water or other medium?
Phase velocity.
Why the phase velocity in a waveguide can exceed the velocity of light?
Guide wavelength is defined as the distance between two equal phase planes along the waveguide. The guide wavelength is a function of operating wavelength (or frequency) and the lower cutoff wavelength, and is always longer than the wavelength would be in free-space. Here's the equation for guide wavelength:Guide wavelength is used when you design distributed structures in waveguide. For example, if you are making a PIN diode switch with two shunt diodes spaces 3/4 wavelength apart, use the 3/4 of a guide wavelength in your design. The guide wavelength in waveguide is longer than wavelength in free space. This isn't intuitive, it seems like the dielectric constant in waveguide must be less than unity for this to happen... don't think about this too hard you will get a headache. === ===
