Question

What is Doppelgänger Effect?? Give some example

Answer 1

Answer:

Doppelgangers effect refer to the change in wave frequency during the relative motion between a wave sources

for example = when a sound object wave toward you , the frequency of the sound waves increase etc

Answer 2

Answer:

Definition: Doppler Effect refers to the change in wave frequency during the relative motion between a wave source and its observer. ... The drop in pitch of ambulance sirens as they pass by and the shift in red light are common examples of the Doppler Effect.

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