# Doppler Effect to Electromagnetic Waves

 By: Florian Ion Tiberiu Petrescu
 The paper "Some Few Specifications about the Doppler Effect to the Electromagnetic Waves" presents, shortly, a new and original relation which can calculate exactly the Doppler Effect. This relation, (8), is the exact form, and the classical expression, (10), is an approximate relation. The classical approximate relation (10, but in its particular form 15) can't foresee the Doppler Effect for the case when the angle FI=90 [grad]. For this reason it has been introduced the relativity effect, where the period T0 take the form T0 /Alfa. Before utilize the theory of relativity it's strongly necessary to test the relation (8) and the particular form (14) (for the angle FI=90 [grad]), for testing the Doppler exact effect without the relativity theory. The Doppler Effect represents the frequency variation of the waves, received by an observer who is drawing, respectively it's removing, from a waves spring. If a bright spring is drawing to an observer, the frequency of waves received by the observer is bigger than the emitted frequency of source, such that the respective spectral lines are moving to violet. On the contrary, if the light source is removing from the observer, the spectral lines are moving to red. On propose to study the Doppler Effect for the light waves, generally for the electromagnetic waves. See this paper from one of these websites:
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