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SPI Chapter 1-2
The Basic/Sound/Describing Sound Waves
| Question | Answer |
|---|---|
| How are the size of a tree and its age related? | Directly, when a tree ages its size increases |
| How are the height of a person and the color of his automobile related? | Unrelated, no relations |
| How is the age of a loaf of bread related to its freshness? | Inversely, as the bread ages its freshness decreases |
| What is the appropriate unit for area? | Square |
| What is the appropriate unit for volume? | Cubic |
| What are measures of length? | Mile, Inch, mm, km |
| List the metric terms in increasing order...? | micro, milli, deci, deca, hecto, mega |
| List the metric terms in decreasing order...? | giga, kilo, hecto, centi, micro, nano |
| How many mL are in 8 Liters? | 8,000 |
| How many cm are in 3 meters? | 300 |
| How many km are in 3,000 meters? | 3 |
| What is the reciprocal of 100 | 1/100 |
| What is the reciprocal of 1/8? | 1/8 |
| How many hertz is 3 MHz? | 3,000,000 |
| How many mL are contained in a jar filled with 5 liters of fluid? | 5,000 |
| How many liters are contained in 80 mL of fluid | 0.080 |
| How much smaller is a hundred than a thousand? | A hundred is one-tenth of a thousand |
| What is in-phase? | When peaks occur at the same time and same location |
| What is out-of-phase? | When peaks occur at different time |
| What is constructive interference? | A pair of in-phase waves that results in a single wave with a greater amplitude |
| What is destructive interference? | A pair of out-of phase waves that results in a single wave of a lesser amplitude |
| Interference of waves with different frequencies are...? | both constructive and destructive |
| What do waves transfer from one location to another? | energy |
| What best describes sound waves? | sound waves are a series of compressions and rarefractions |
| What are variations that identify specific waves as acoustic waves? | pressure, density, and acoustic variables |
| Sound waves are..? | acoustic, pressure waves, longitudinal, and move energy |
| Acoustic parameters are | period, frequency and propagation speed |
| Two waves are traveling in a medium and arrive at a location at the same time. What event takes place? | Interference |
| Which type of waves will exhibit both constructive and destructive interference? | waves of different frequency |
| What units are used to report pressure? | Pascals, Pa |
| Acoustic variable allow us to determine which waves are sound waves and which are not. | True |
| Acoustic parameters are used to describe the features of sound waves. | True |
Created by:
Lazacha
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