Free Exam: PHYSICS: Chap 3: Amplitude - Homework
Number of Questions in Test: 22
Number of Questions in Preview: 5
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"Amplitude [b]decreases[/b] as a sound wave propagates through the body."
"Amplitude [b]decreases[/b] as a sound wave propagates through the body."
| Type: | True/False |
| Points: | 1 |
Question 2
"Amplitude can be [b]changed by the sonographer[/b]."
| Type: | True/False |
| Points: | 1 |
Question 3
The [b]maximum[/b] variation of a wave is 900 kg/M[sup]3[/sup]. The [b]mean[/b] variation of the same wave is 600 kg/M[sup]3[/sup]. The minimum variation is 300 kg/M[sup]3[/sup]. What is the [b]amplitude[/b]? -- This measures density as mass per unit volume.
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 4
The [b]maximum[/b] variation of a wave is [b]350[/b]. The [b]minimum[/b] variation is [b]85[/b]. What is the amplitude? -- [u]First[/u] determine the [u]mean[/u] (add high plus low and divide by 2)
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |
Question 5
The [b]maximum[/b] value of the density of an acoustic wave is [b]60[/b] g/cm[sup]3[/sup], while the [b]minimum[/b] density is [b]20[/b] g/cm[sup]3[/sup]. What is the wave's amplitude?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | Yes |