PHY1020-Chapter 7
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| show | The difference between two frequencies.
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| show | With slower wave velocity.
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| The fastest earthquake wave is the: | show 🗑
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| show | L wave.
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| An octave refers to two frequencies that differ by a factor of: | 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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| show | Liquid iron.
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| show | P wave.
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| show | P waves are the fastest, and L waves cause the most destruction.
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| The L wave is often the most damaging because: | show 🗑
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| show | Slows it down.
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| show | The amplitude of the earthquake increases.
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| show | Bend downward.
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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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| The same note is played on two pianos. Beats are heard once per second. From this, we deduce that: | show 🗑
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| show | No S waves move across it.
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| A magnitude 9 earthquake, compared to a magnitude 8 earthquake: | show 🗑
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| You feel the tremors of an earthquake. Ten seconds later, you feel another shaking. The distance to the epicenter is about: | show 🗑
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| show | Halved.
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| show | Sound is a wave.
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| The velocity of sound is approximately: | show 🗑
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| The speed of sound in air: | show 🗑
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| Sounds waves are: | show 🗑
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| On a typical day, sound emitted near the ground tends to bend: | show 🗑
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| show | The air near the ground is cool and the air above it is warm.
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| show | Bend downward toward the surface.
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| To have a sound channel, there must be: | show 🗑
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| SOFAR took advantage of: | show 🗑
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| Water waves are: | show 🗑
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| show | The sound doesn't spread in the up or down directions.
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| As you travel deeper into the ocean, the water temperature: | show 🗑
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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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| show | First gets cooler, then warmer.
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| The atmospheric sound channel would not exist, if not for: | show 🗑
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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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| Very long wavelength water waves: | show 🗑
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| Whales and fiber optics both make use of what principle? | show 🗑
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| show | The wave moves slower.
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| A water wave has a wavelength of 10 meters and a frequency of 2 cycles/sec. It's velocity is: | show 🗑
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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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| show | Ultraviolet light.
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| In the daytime, sound tends to: | show 🗑
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| show | L wave.
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| show | At the same speed as high frequency.
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| The piano note A above middle C is 440 Hz. The next higher A has a frequency: | show 🗑
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