PHY1020-Chapter 7
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Beats measure: | show 🗑
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show | With slower wave velocity.
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The fastest earthquake wave is the: | show 🗑
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The slowest earthquake wave is the: | show 🗑
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show | 2.
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When two different waves pass through an opening of the same size, which one will spread more? Smaller wavelength Larger wavelength Higher frequency Lower frequency | show 🗑
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The fastest sound wave is: | show 🗑
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show | The time between the P and S waves.
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Sound travels fastest in: | show 🗑
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When an opening gets smaller, a wave that passes through it: | show 🗑
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The very center of the Earth is: | show 🗑
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show | P wave.
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Which of the following statements about earthquakes is true? | show 🗑
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The L wave is often the most damaging because: | show 🗑
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An earthquake wave does its worst damage when it reaches an area that: | show 🗑
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Landfill is dangerous because: | show 🗑
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When there is an atmospheric inversion, sound tends to: | show 🗑
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The ocean sound channel: | show 🗑
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Sound tends to bend toward the side with: | show 🗑
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show | At least one of the pianos is out of tune (the notes are at the wrong frequency.)
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We know that the inner part of the Earth is liquid because: | show 🗑
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A magnitude 9 earthquake, compared to a magnitude 8 earthquake: | show 🗑
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show | 50 miles.
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show | Halved.
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Beats demonstrate that: | show 🗑
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show | 1000 feet per second.
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The speed of sound in air: | show 🗑
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Sounds waves are: | show 🗑
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show | Upward, toward the sky.
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show | The air near the ground is cool and the air above it is warm.
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Because of evaporation, the air above the surface of a lake becomes cool. Sound in the air above the lake will tend to: | show 🗑
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show | An increase in the velocity with depth.
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show | The sound channel in the ocean.
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show | Both transverse and longitudinal.
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show | The sound doesn't spread in the up or down directions.
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show | Decreases with depth.
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A pianist plays 2 keys: middle C, and the C above middle C (i.e., an octave higher.) The SPEED OF SOUND for the higher frequency, comopared to that for the lower frequency, is: | show 🗑
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As you move to a higher altitude, the temperature of the air: | show 🗑
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show | Ultraviolet light.
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The ozone layer is created by: | show 🗑
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SOSUS refers to: | show 🗑
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show | It was concerned with the atmosphere.
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show | Microphones.
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show | Travel faster than short ones.
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show | Huygens.
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show | The wave moves slower.
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show | 20 meters per second.
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The sound from a passing car sounds like a high pitch, but as it passes, it gets lower. That's an example of: | show 🗑
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Thunderclouds tend to rise until: | show 🗑
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The atmospheric sound channel is created because of: | show 🗑
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show | Bend upward.
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show | L wave.
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show | At the same speed as high frequency.
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show | 880 Hz.
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