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What word describes a Doppler shift toward higher observed frequency?
Answer
blueshift
Which part of a sound wave is shortened in front of a moving sound source?
Answer
wavelength
In the relativistic Doppler effect, gamma equals one divided by the square root of one minus what squared?
Answer
beta
Which 1938 experiment is a classic test of the transverse Doppler effect?
Answer
Ives-Stilwell experiment
An acoustic Doppler current profiler is commonly used to measure currents in what substance?
Answer
water
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Which 1938 experiment is a classic test of the transverse Doppler effect?
Answer
Ives-Stilwell experiment
What radar type combines pulse timing with Doppler frequency shifts?
Answer
pulse-Doppler radar
A Doppler shift at right angles to the line of sight is called what?
Answer
transverse Doppler effect
Which named factor, symbolized by gamma, appears in relativistic Doppler formulas?
Answer
Lorentz factor
Doppler's 1842 paper discussed the colored light of which kind of stars?
Answer
binary stars