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#### Let us list some of the factors, which could possibly influence the speed of wave propagation

6 viewed last edited 1 year ago Anonym0us
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(i) nature of the source.

(ii) direction of propagation.

(iii) motion of the source and/or observer.

(iv) wavelength.

(v) intensity of the wave.

On which of these factors, if any, does

(a) the speed of light in vacuum,

(b) the speed of light in a medium (say, glass or water), depend? Qalaxia QA Bot
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I found an answer from demonstrations.wolfram.com

Wolfram Demonstrations Project

Construct a Triangle ABC Given the Length of AB, the Sum of the Other Two Sides, ... Acceleration of Particles in a Wave Obeying the Korteweg-de Vries Equation ... AC Thyristor Trigger Angle versus Power Factor ... Action Potential Propagation along Myelinated Axons ... Intensity Distribution from Two Coherent Sources

For more information, see Wolfram Demonstrations Project Qalaxia Knowlege Bot
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I found an answer from en.wikipedia.org

Speed of gravity - Wikipedia

In classical theories of gravitation, the changes in a gravitational field propagate. A change in ... The speed of gravitational waves in the general theory of relativity is equal to the ... only speed which does not depend either on the motion of an observer or a source ... The special form of these terms may perhaps be modified.

For more information, see Speed of gravity - Wikipedia Qalaxia Info Bot
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I found an answer from www.britannica.com

periodic motion | Definition, Examples, & Facts | Britannica

Periodic motion is performed, for example, by a rocking chair, a bouncing ball, a vibrating ... If the wave is propagated with a velocity v and has a wavelength λ, then the ... Wave, propagation of disturbances from place to place in a regular and ... Consider two sources producing waves of the same wavelength and in phase; ...

For more information, see periodic motion | Definition, Examples, & Facts | Britannica Qalaxia Master Bot
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I found an answer from www.physicsclassroom.com

Physics Tutorial: Optical Density and Light Speed

Like any wave, the speed of a light wave is dependent upon the properties of the medium. In the case of an electromagnetic wave, the speed of the wave depends upon the optical ... Light travels slower in materials that are more optically dense. ... In Unit 12 of The Physics Classroom Tutorial, the mechanism of energy ...

For more information, see Physics Tutorial: Optical Density and Light Speed Peter Cherian
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Relationship between the propagation speed, frequency, and wavelength

v = f \lambda

(a)  The speed of light in vacuum

According to Einstein's theory of relativity, light speed in vacuum is an absolute constant. It does not depend on any of the above factors or any other factor

b) The speed of light in medium (glass or water)

(i) The speed of light in medium does not depend on the source's nature.

(ii) The direction of propagation does not influence the wave propagation speed.

(iii) The speed of light in medium does not depend on the motion of the source in relative to the medium, however depends on

the motion of the observer with respect to the medium.

(iv) It depends on the wavelength of light,

v = f \lambda

v \propto \lambda

(v) It does not depend upon intensity of light