Calculate the doppler shift in the frequency of photon travelling along y-axis with respect to an observer moving along x-axis with constant speed u.
Added by Judy T.
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The Doppler effect refers to the change in frequency or wavelength of a wave in relation to an observer who is moving relative to the wave source. In this case, the wave source is a photon moving along the y-axis and the observer is moving along the x-axis. Show more…
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Refer to Section $38.4 .$ Prove that the Doppler shift in wavelength of electromagnetic waves is described by $$ \lambda^{\prime}=\lambda \sqrt{\frac{1+v / c}{1-v / c}} $$ where $\lambda^{\prime}$ is the wavelength measured by an observer moving at speed $v$ away from a source radiating waves of wavelength $\lambda$.
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