Free Exam: PHYSICS: Quarter 3: Cumulative Final Exam
Number of Questions in Test: 55
Number of Questions in Preview: 5
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Understanding ultrasound physics is helpful in:
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 2
If the acoustic velocity within a medium is 1 km/sec and the frequency is 10 MHz, what is the wavelength?
l = V/F V = l/T F = 1/T l = VT
P µ A2 A = Max – Mean I = Power / beam area
Mean = (Maximum + Minimum)/2 Mean = Min + Amp
Mean = max – amp Min = Mean – Amp
Max = Amp + Mean
l = V/F V = l/T F = 1/T l = VT
P µ A2 A = Max – Mean I = Power / beam area
Mean = (Maximum + Minimum)/2 Mean = Min + Amp
Mean = max – amp Min = Mean – Amp
Max = Amp + Mean
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 3
A wavelength of 0.3 mm would be produced by which transducer?
l = V/F V = l/T F = 1/T l = VT
P µ A2 A = Max – Mean I = Power / beam area
Mean = (Maximum + Minimum)/2 Mean = Min + Amp
Mean = max – amp Min = Mean – Amp
Max = Amp + Mean
l = V/F V = l/T F = 1/T l = VT
P µ A2 A = Max – Mean I = Power / beam area
Mean = (Maximum + Minimum)/2 Mean = Min + Amp
Mean = max – amp Min = Mean – Amp
Max = Amp + Mean
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 4
If a sound wave travels to a medium with a faster propagation speed, which of the following is true?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |
Question 5
Which of the following is the correct unit for wavelength?
| Type: | Multiple choice |
| Points: | 1 |
| Randomize answers: | No |