Wave Motion in a Medium for Sound
Journal Title: Physical Science & Biophysics Journal - Year 2019, Vol 3, Issue 1
Abstract
Expressions are obtained for the wavelength and frequency of a sound wave in air and a light wave in space, emitted from a source moving with speed u, relative to an observer moving with speed v. The speed w of sound in air as a gas, depending on the temperature, pressure and density of the gas, is taken to be independent of speed of the source. The speed c of light in space, depending on the permittivity and permeability of the space, is taken to be a constant relative to the source. The product of frequency and wavelength of a wave motion in a medium is considered a constant, equal to the speed of the wave motion for an observer stationary relative to the source. While air is the medium for propagation of sound, electric fields, from bodies in space, are proposed as the medium for propagation of light in the space. It is suggested that electric fields from neutral bodies, consisting of equal numbers of positive and negative charges, do exist in space but they balance out exactly at every point. In this case, aether is conceived as a sea or crisscross of electric fields from neutral bodies, balancing out exactly everywhere in space and reducing to zero at infinitely long distances from the respective sources, in accordance with Coulomb’s law. Electric permittivity and magnetic permeability should be regarded as properties of electric fields in space, constituting the aether. Beyond the aether is a vacuum extending to infinity. A vacuum has no property.
Authors and Affiliations
Abdullahi MD*
Keywords
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