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| You swing to and fro on a playground swing. If you stand rather than sit, the time for a to and fro swing is |
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| The time it takes for a pendulum swinging to and fro refers to |
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| The period of a 10-Hz wave is |
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| Find the speed of a wave by multiplying its frequency by its |
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| The vibrations in a transverse wave move in a direction |
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Definition
| Perpendicular to the wave |
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| The vibrations in a longitudinal wave move in a direction |
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Definition
| Along and parallel to the wave |
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Term
| Interference is a characteristic of |
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Definition
| Sound waves, light waves and water waves |
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Term
| Standing waves are the result of |
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Definition
| Interference, waves overlapping in phase and out of phase, waves reflecting upon themselves. |
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Term
| The Doppler effect occurs when a source of sound moves |
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Definition
| Towards you and away from you |
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Term
| Compared with the sound you hear from the siren of a stationary fire engine, its sound when approaches you has an increased |
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Term
| Bow waves are produced by waves of water |
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| Shock waves are produced by waves of sound |
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Definition
| Overlapping one another, constructively interfering, moving slower than the source producing them |
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Term
| During the time an aircraft produces a sonic boom, the aircrafts is |
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Term
| The sound waves that most humans cannot hear are |
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Definition
| Infrasonic and ultrasonic |
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Term
| Sound travels on air by a series of |
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Definition
| Compressions and rarefactions |
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Term
| The compression s and rarefactions in sound normally travel |
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Definition
| Solids, gases and liquids |
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Term
| The speed of sound is slightly greater on a |
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Term
| Sound will travel faster in |
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Definition
| A steel beam compared with a wooden plank, ocean water or an air balloon |
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Term
| The loudness of a sound is mostly closely related to its |
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| Your friend states that under all conditions, any radio wave travels faster than any sound wave you |
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Term
| When you tap a piece of wood it will produce a characteristic sound relate to its |
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Term
| When an object is set vibrating by wave that has a matching frequency, which occurs is |
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| Noise canceling devices make use of sound |
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Term
| The phenomenon of beats is the result of sound |
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Definition
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Term
| A 1134 Hz tuning fork is sounded at the same time a piano not is struck. You hear 3 beats per second. The frequency of the piano string is |
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Definition
| More info is needed to determine the frequency |
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Term
| The pitch of a sound is mostly related to its |
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Term
| Compared with a sound of 60 decibels, a sound of 80 decibels has an intensity |
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Term
| Compared with a fundamental tone, the frequency of its second harmonic is |
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