What Doppler variant reverses the usual frequency shift for approach and recession?
Answer
inverse Doppler effect
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What Doppler variant reverses the usual frequency shift for approach and recession?
Answer
inverse Doppler effect
Which society heard Doppler's 1842 paper on colored starlight?
Answer
Royal Bohemian Society
In spectroscopy, Doppler shifts are seen as shifts in what features?
Answer
spectral lines
Which type of Doppler radar sends a steady signal instead of pulses?
Answer
continuous-wave radar
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Which society heard Doppler's 1842 paper on colored starlight?
Answer
Royal Bohemian Society
In which city did Christian Doppler die in 1853?
Answer
Venice
In spectroscopy, Doppler shifts are seen as shifts in what features?
Answer
spectral lines
Which type of Doppler radar sends a steady signal instead of pulses?
Answer
continuous-wave radar
What instrument uses Doppler shifts to measure a vessel's speed through water?
Answer
Doppler velocity log
Which ultrasound mode maps Doppler frequency shifts as colors?
Answer
color Doppler
Which dimensionless number is source speed divided by local sound speed?
Answer
Mach number
What does the C mean in CW Doppler radar?
Answer
continuous
What name is given to velocity along an observer's line of sight?
Answer
radial velocity