Doppler Effect
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Doppler - General Physcis - Lecture Slides, Slides of Physics
Physics is about nature. This course covers almost every concept related to physics. Important points in this lecture are: Doppler, Moving Source, Wavelength Shift, Frequency Shift, Moving Observer, Speed Gun, Doppler Shift, Shift For Pulse, Wave Crests, Pulse Out
Typology: Slides
2012/2013
1 / 6
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Doppler Effect
Moving Source
Light moves equally in all directions from a source.
•^
Circular (or spherical) pattern
If the source is moving the origin of successive circlesmoves.
Frequency Shift
The period is related to thewavelength.
This can be converted into afrequency shift.•
Requires correction for specialrelativity
c v
c v
f
f
f v
Moving Observer
If the observer is moving toward the source the effect issimilar, but the wave crests have a different relativespacing.
1 (^
v u
f
f^
^
A speed gun uses adouble Doppler shift.There is a shift forboth the pulse out andreflected signal.