Understanding the Doppler Effect: Using c-v0, c+v0, c+Vs, c-Vs

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The Doppler Effect describes the change in frequency of a wave in relation to an observer moving relative to the source of the wave. When the source is moving away from the observer, the frequency decreases, and this is represented by positive values in the formula. Conversely, when the source approaches the observer, the frequency increases, indicated by negative values. The formulas c-v0, c+v0, c+Vs, and c-Vs are used to calculate these changes based on the velocities of the source and observer. Understanding when to apply these formulas is crucial for accurately interpreting the Doppler Effect.
k121212
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can someone pleasezz explain the dopplers effect

n when to use the c-v0 , c+v0 ,c +Vs ,c-Vs

etc etc in the formula in the pic


thnx a lot in advance
 

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k121212 said:
can someone pleasezz explain the dopplers effect

n when to use the c-v0 , c+v0 ,c +Vs ,c-Vs

etc etc in the formula in the pic


thnx a lot in advance
When in doubt, think about only one velocity being other than zero. Source moving away, frequency drops- positive. Source moving toward you, frequency rises- negative, You move toward source, frequency rises- positive. You move away from source, frequency drops- negative.
 

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