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For and electromagnetic

For example, in sound recording, fluctuations in air pressure ( that is to say, sound ) strike the diaphragm of a microphone which induces corresponding fluctuations in the current produced by a coil in an electromagnetic microphone, or the voltage produced by a condensor microphone.

For example, in AC power lines, the waves of electromagnetic energy propagate through the space between the wires, moving from a source to a distant load, even though the electrons in the wires only move back and forth over a tiny distance.

* For some reactions, the presence of electromagnetic radiation, most notably ultraviolet light, is needed to promote the breaking of bonds to start the reaction.

For example, when electromagnetic radiation is absorbed by matter, particle-like properties will be more obvious when the average number of photons in the cube of the relevant wavelength is much smaller than 1.

For example, a system can emit energy to another by transferring ( radiating ) electromagnetic energy, but this creates forces upon the particles that absorb the radiation.

For contributions to the unification of the weak and electromagnetic interaction between elementary particles, Abdus Salam, Sheldon Glashow and Steven Weinberg were awarded the Nobel Prize in Physics in 1979.

For example, an explosion is the result of a chain reaction that transforms potential energy stored in chemical, mechanical, or nuclear form into kinetic energy, acoustic energy, and electromagnetic radiation.

For the production of electromagnetic radiation, there are many methods, depending upon the wave length ( see electromagnetic spectrum ).

For example, electromagnetic radiation is monitored for signs of transmissions from civilizations on other worlds.

For instance, our historical understanding about " sound ," " light " and " heat " have today been reduced to " wave compressions and rarefactions ," " electromagnetic waves ," and " molecular kinetic energy ," respectively.

For example, for an electromagnetic wave, if the box has ideal metal walls, the condition for nodes at the walls results because the metal walls cannot support a tangential electric field, forcing the wave to have zero amplitude at the wall.

For electromagnetic waves, this change in the angle of propagation is governed by Snell's law.

For electromagnetic waves the speed in a medium is governed by its refractive index according to

For example, acoustics is distinguished from optics in that sound waves are related to a mechanical rather than an electromagnetic wave transfer caused by vibration.

For example, it is commonplace to make use of the argument that the group velocity of waves ( such as electromagnetic waves ) can not exceed the speed of light.

For example, the average power transmitted by an acoustic or electromagnetic wave or by an electrical signal is proportional to the square of the RMS amplitude ( and not, in general, to the square of the peak amplitude ).

For electromagnetic radiation, the amplitude of a photon corresponds to the changes in the electric field of the wave.

For example, the gravitational force between an electron and proton one meter apart is approximately 10 − 67 newtons, while the electromagnetic force between the same two particles is approximately 10 − 28 newtons.

For this reason, one speaks of " electromagnetism " or " electromagnetic fields ".

# For a telecommunications system, the spatial distribution of electromagnetic fields surrounding a given site.

For the electromagnetic field, the curvature form is an antisymmetric matrix whose elements are the electric field and magnetic field: the electromagnetic tensor.

For a propagating electromagnetic wave, such as a surface wave propagating along the surface of the Earth, these parameters vary with frequency and direction.

For and wave

For an observer in back ( right ) of the car, each wave takes a slightly longer time to reach him than the previous wave.

For the case of a carrier modulated by a single sine wave, the resulting frequency spectrum can be calculated using Bessel functions of the first kind, as a function of the sideband number and the modulation index.

For s-polarization, a positive r or t means that the electric fields of the incoming and reflected or transmitted wave are parallel, while negative means anti-parallel.

The red dot overtakes two green dots when moving from the left to the right of the figure. New waves seem to emerge at the back of a wave group, grow in amplitude until they are at the center of the group, and vanish at the wave group front. For surface gravity waves, the water particle velocities are much smaller than the phase velocity, in most cases.

For continuous wave operation it is required for the population inversion of the gain medium to be continually replenished by a steady pump source.

For more complicated molecules, the wave mechanics approach loses utility in a qualitative understanding of bonding ( although is still necessary for a quantitative approach ).

For example, one can talk about motion of a wave or a quantum particle ( or any other field ) where the configuration consists of probabilities of occupying specific positions.

For example, in his 1997 book Numerology: Or What Pythagoras Wrought, mathematician Underwood Dudley uses the term to discuss practitioners of the Elliott wave principle of stock market analysis.

For instance, the behaviour of a light wave interacting with a metal surface is quite different from what happens when it interacts with a dielectric material.

For example, a single photon may be refracted by a lens or exhibit wave interference with itself, but also act as a particle giving a definite result when its position is measured.

For instance, in a hydrogen Maser, the well-known " 21cm wave " transition in atomic hydrogen, where the lone electron flips its spin state from parallel to the nuclear spin to antiparallel, can be used to create a population inversion because the parallel state has a magnetic moment and the antiparallel state does not.

For such a component, any given phase of the wave ( for example, the crest ) will appear to travel at the phase velocity.

For example, the free particle in the previous example will usually have a wavefunction that is a wave packet centered around some mean position x 0 ( neither an eigenstate of position nor of momentum ).

For example, a human voice can be sent as a radio wave or microwave by making the wave vary to correspond variations in the voice.

For example, if there are two waves that interact with each other we can add them which creates new odd looking wave.

For example, in sinusoidal waves over deep water a particle in the water moves in a circle of the same diameter as the wave height, unrelated to wavelength.

For and coherence

For subjectivists rationality and coherence constrain the probabilities a subject may have, but allow for substantial variation within those constraints.

For without Kant, Berkeley was not able to give an account of the coherence of our experience that squared with his empiricism.

For microscopic bodies, the extension of the system is much smaller than the coherence length, which gives rise to long-range entanglement and other nonlocal phenomena that are characteristic of quantum systems.

For coherence theories in general, truth requires a proper fit of elements within a whole system.

For example, with a multipath time of 3 μs ( corresponding to a 1 km of added on-air travel for the last received impulse ), there is a coherence bandwidth of about 330 kHz.

For coherence requires that the autonomy of criticism, the need to eradicate its conception as " a parasitic form of literary expression,.

For this reason, many of the larger systems (> 64 processors ) use this type of cache coherence.

For example, although far-field thermal radiation at distances from surfaces of more than one wavelength is generally not coherent to any extent, near-field thermal radiation ( i. e., radiation at distances of a fraction of various radiation wavelengths ) may exhibit a degree of both temporal and spatial coherence.

For example, a stabilized helium-neon laser can produce light with coherence lengths in excess of 5 m. Not all lasers are monochromatic, however ( e. g. for a mode-locked Ti-sapphire laser, Δλ ≈ 2 nm-70 nm ).

( For fermions, such as electrons, only even orders of coherence / ODLRO are possible.

For centuries, teachers and educators have seen the importance of organization, coherence, and emphasis in good writing.

For time scaling operations amplitude coherence is only a minor problem because shifting analysis frames in time has only a minor impact on the amplitude.

For Warren, it is the coherence of responding to racist narratives in the struggle for civil rights that establishes the body of African American literature, and the scholar suggests that continuing to refer to the texts produced after the civil rights era as such is a symptom of nostalgia or a belief that the struggle for civil rights has not yet ended.

For example, the coherence of the underlying set of concepts is considered to be critical factor in judging its coherence and validity.

For example, Sir Michael Rutter stated that the concept of DAMP ( unlike ADHD ) was " muddled " and " lacks both internal coherence and external discriminative validity ... it has no demonstrated treatment or prognostic implications "; he concluded that the concept should be abandoned.

For example, in a herd of feral goats it is a large male that is dominant and maintains discipline and coherence of the flock.

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