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16 Cards in this Set
- Front
- Back
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What Is The Speed Of Sound In Room Temperature Air?
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340m/s
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Name The Order, From Fastest To Slowest, That Sound Travels Through These Three Materials: Gases, Solids, Liquids.
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1) Solids
2) Liquids 3) Gases |
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Sound
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An Audible Vibration
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What Is The Term For "Below The Audible Spectrum"
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Infrasonic
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What Is The Term For "Above The Audible Level"
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Ultrasonic
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What Is The Range Of Human Hearing?
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20Hz-20,000Hz
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What Type Of A Wave Is A Sound Wave?
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A Longitudinal Wave
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Does Sound Travel Faster In Warmer Or Cooler Air?
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Warmer
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What Is The Increase Rate For Sound As The Temperature Rises?
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0.6m/s For Every Degree Celsius
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For Every 10dB Increase In Intensity, How Much More Intense Does The Sound Get?
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The Sound Increases By 10x The Previous Intensity.
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What Are Beats?
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When Two Sounds with Slightly Different Frequencies Are Sounded Together, Causing A Fluctuation In The Loudness Of The Combined Sounds.
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A Piano Tuner Hears 2 Beats When The Tuning Fork And String Are Sounded Together. She Tightens The String And Hears One Beat. Should She Loosen Or Tighten The String?
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Tighten.
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What Will The Frequency Be If A 262Hz Tuning Fork And A 272Hz Tuning Fork Are Sounded Together? Why?
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The Frequency Will Be 267Hz Due To The Fact That The Average Frequency Of The Two Forks Is 267Hz.
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What Is The Maximum Amount Of Beats Per Second Possibly Discernible By The Human Ear?
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10 Beats/Second Is The Most Possible.
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Why Do Warmer Particles Move Faster Than Cooler Ones?
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They Have More Kinetic Energy.
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What Is Sound?
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A Vibration You Can Hear.
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