In the current physics textbooks, only one formula is given for the Doppler effect of light in vacuum, however there is actually another one. In this paper, the two formulas are derived based on the quantum and wave properties of light, and their consistency is analyzed. Then finally the ...
A formula is derived for the combined motional and gravitational Doppler effect in general stationary axisymmetric metrics for a photon emitted parallel or antiparallel to the assumed circular orbital motion of its source. The same formula is derived from eikonal approximation and Killing vector approache...
Light requires no medium, and the Doppler shift for light travelling in a vacuum depends only on the relative speed of the observer and source. Red Shift and Blue Shift When the light source moves away from the observer, the frequency received by the observer will be less than the frequency...
Similarly, for light waves, the doppler effect accounts for the change in frequency or wavelength of light as a result of relative motion between the source of light and the observer. The doppler effect has applications in various fields, including astronomy (determining the movement of stars and...
A formula is derived for the combined motional and gravitational Doppler effect in general stationary axisymmetric metrics for a photon emitted parallel or antiparallel to the assumed circular orbital motion of its source. The same formula is derived fro
TheDoppler effectalso occurs for light. However, the Doppler effect of starlight is different from that of sound, because the velocity of the light is constant and the time dilation occurs in thespecial relativitytheory. The Doppler effect of light is expressed as: ...
“Thus for the largest known redshift of z=6.3, the recession velocity is not 6.3*c = 1,890,000 km/sec. It is also not the 285,254 km/sec given by the special relativistic Doppler formula 1+z = sqrt((1+v/c)/(1-v/c)). The actual recession velocity for this obje...
The greater the motion toward or away from us, the greater the Doppler shift. If the relative motion is entirely along the line of sight, the formula for the Doppler shift of light isΔλλ=vcΔλλ=vcwhere λ is the wavelength emitted by the source, Δλ is the difference between λ...
The formula for the frequency shift of a plane-polarized light wave reflected from a uniformly moving mirror is derived directly from the constant light speed postulate and the basic principles of wave optics. Unlike the original derivation by Einstein, our derivation does not involve Lorentz transfo...
Study questions in the lesson entitled The Doppler Effect: Formula & Calculation will teach you about the following: An example of the Doppler Effect and how it works The movement of sound waves How light waves are affected by the Doppler Effect Practice Exams You are viewing quiz 6 in...