Trivia questions and answers, drawn fresh from the well

• Easy Easy difficulty.
• The Doppler Effect

Which wave property is measured in hertz?

Answer

frequency

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• Easy Easy difficulty.
• The Doppler Effect

A sound source moving faster than sound produces what loud phenomenon?

Answer

sonic boom

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• Easy Easy difficulty.
• The Doppler Effect

In Doppler radar, the returned signal is commonly called what?

Answer

echo

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• Easy Easy difficulty.
• The Doppler Effect

Doppler echocardiography is used to examine which organ?

Answer

heart

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• Easy Easy difficulty.
• The Doppler Effect

What word describes a Doppler shift toward higher observed frequency?

Answer

blueshift

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• Easy Easy difficulty.
• The Doppler Effect

Which part of a sound wave is shortened in front of a moving sound source?

Answer

wavelength

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• Hard Hard difficulty.
• The Doppler Effect

In the relativistic Doppler effect, gamma equals one divided by the square root of one minus what squared?

Answer

beta

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• Hard Hard difficulty.
• The Doppler Effect

Which 1938 experiment is a classic test of the transverse Doppler effect?

Answer

Ives-Stilwell experiment

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• Intermediate Intermediate difficulty.
• The Doppler Effect

An acoustic Doppler current profiler is commonly used to measure currents in what substance?

Answer

water

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• Intermediate Intermediate difficulty.
• The Doppler Effect

Laser Doppler velocimetry uses what kind of light source?

Answer

laser

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• Intermediate Intermediate difficulty.
• The Doppler Effect

What radar type combines pulse timing with Doppler frequency shifts?

Answer

pulse-Doppler radar

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• Intermediate Intermediate difficulty.
• The Doppler Effect

A Doppler shift at right angles to the line of sight is called what?

Answer

transverse Doppler effect

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