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whatn is dopller’s effect?

whatn is dopller’s effect? 
 

Grade:11

7 Answers

PRAPULPODISHETTI
669 Points
6 years ago
The apparent change in the frequency of sound observed due to relative motion between the observer and the source of sound is called Doppler effect.
santhosh
67 Points
6 years ago
The Doppler effect (or Doppler shift) is the change in frequency of a wave (or other periodic event) for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague.
AJITH
118 Points
6 years ago
The Doppler effect is the change in frequency of a wave for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, he proposed in 1842 in Prague.
SHANMUKESHWAR
461 Points
6 years ago
The Doppler effect (or Doppler shift) is the change in frequency of a wave (or other periodic event) for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague.
HARINATH
90 Points
6 years ago
Doppler effect.The apparent change in the frequency of sound observed due to relative motion between the observer and the source of sound is called
ANJI BABU
53 Points
6 years ago
The Doppler effect is the change in frequency of a wave  for an observer moving relative to its source. It is named after the Austrian physicist Christian Doppler, who proposed it in 1842 in Prague.
ANJI BABU
53 Points
6 years ago
The apparent change in frequency due to relative motion between the source and the listener
is called Doppler Effect.
 

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