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378601
The Doppler Effect
Description
This mind map provides an overview of the Doppler effect
No tags specified
physics
physics - beginner
the doppler effect
physics
the doppler effect
Mind Map by
leonie.examtime
, updated more than 1 year ago
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Created by
leonie.examtime
over 10 years ago
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Resource summary
The Doppler Effect
Named after Austrian physicist Christian Doppler
Proposed it in 1842
Apparent change in frequency of an object
Appears higher when approaching
Appears lower when moving away
Examples
Siren from an ambulance
Sound from a passing race car
Object moving towards stationary observer
Apparent frequency - f'
f'=\(\frac{v}{v-vs}\)f
Object moving away from stationary observer
Apparent frequency - f'
f'=\(\frac{v}{v+vs}\)
v = speed of wave
vs = velocity of source
f = frequency of wave
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