DOPPLER EFFECT

DOPPLER EFFECT

1. It is a physical phenomenon

2. CASES

   • 1
     • The observer approaches the source at rest
   • 2
     • The observer moves away from the source at rest
   • 3
     • The source approaches the observer at rest
   • 4
     • The source moves away from the observer at rest
   • 5
     • The source and the observer approach
   • 6
     • The source and the observer move away
   • 7
     • the source persues the observer
   • 8
     • The observer chases the sourse

3. If the observer and / or source approach: fo > fs

4. If the observer and / or source move away: fo < fs

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