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| How many seconds per hour and the number of miles in a centimeter |
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Definition
| The speed of red blood cells traveling through a blood vessel is 750 cm/sec. You are asked to measure this speed in miles per hour. What information would be sufficient for you to complete your task? |
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Definition
| What terms is used to describe the effects of an ultrasound wave on living tissue? |
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Definition
| As sound travels through a medium, what term describes the effects of the medium on the sound wave? |
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Term
| Cyclical oscillations in certain variables |
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Definition
| Sound waves can be characterized as: |
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Term
| All carry energy from one site to another |
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Definition
| Which of the following is true of all waves? |
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Term
| Alternately from East to West and then from East to West. |
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Definition
| A longitudinal wave is propagating from the East towards the West at a speed of 2 miles per hour. What is the direction of motion of the particles within the wave? |
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Definition
| The direction of motion of a particle in a wave is perpendicular to the direction of propagation of the wave. What time of wave is this? |
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Definition
| A particle within a transverse wave is traveling vertically. What is the direction of the wave's propagation? |
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Definition
| Which of the following types of waves do not require a medium in order to propagate? |
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Definition
| Which of the following describes the characteristics of a sound wave? |
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Term
| A series of compressions and rarefactions |
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Definition
| Sound is best described as? |
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Term
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Definition
All of the following are true about sound waves except?
choices: a series of compressions and rarefactions, a transverse wave, a wave that humans can hear, an oblique displacement of acoustic energy. |
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Term
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Definition
All the following are true about sound waves except?
Choices: the are mechanical, they are transverse, they carry energy from place to place, they generally travel in a straight line. |
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Term
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Definition
| Pressure, Density and Motion of particles in the wave are? |
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Term
| Are not acoustic variables |
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Definition
| Frequency, Propagation speed, Wavelength, Voltage, and Intensity are? |
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Term
| Atmospheres (atm), pascals (Pa), millimeters of mercury (mm Hg), pounds/sq. inch (lb/in^2) |
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Definition
| What are the units of a pressure measurement of an acoustic wave? |
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Definition
| A force is applied to a surface. If the force is tripled and the surface are over which the force is applied is also tripled, what is the new pressure? |
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Term
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Definition
| A force is applied to a surface. If the force is tripled and the surface are over which the force is applied is also tripled, what is the new pressure? |
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Term
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Definition
| Which of the following units are appropriate to describe the period of an acoustic wave? |
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Term
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Definition
| Waves that exist at the same location and time will combine together. What is this called? |
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Term
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Definition
| Two waves arrive at the same location and interfere. The resultant sound wave is smaller than either of the two original waves What is this called? |
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Term
| Constructive interference |
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Definition
| A pair of waves are in phase. What occurs when these waves interfere? |
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Definition
| _____________ is the reciprocal of period. |
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Definition
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Definition
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Definition
| Particle motion units are? |
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