Podcast
Questions and Answers
If the transducer frequency is 7.5 MHz, what is the frequency in Hz?
If the transducer frequency is 7.5 MHz, what is the frequency in Hz?
- 7500 Hz
- 750000 Hz
- 75000 Hz
- 7500000 Hz (correct)
What is the frequency in KHz if the transducer frequency is 5 MHz?
What is the frequency in KHz if the transducer frequency is 5 MHz?
- 50 KHz
- 5 KHz
- 500 KHz
- 5000 KHz (correct)
What determines the speed at which sound waves travel through a medium?
What determines the speed at which sound waves travel through a medium?
- Density and stiffness of the media (correct)
- Period of the wave
- Transducer frequency
- Frequency and wavelength
If the frequency of a wave is 3 Hz, what is the period of the wave?
If the frequency of a wave is 3 Hz, what is the period of the wave?
What determines the speed of sound in a medium?
What determines the speed of sound in a medium?
Which of the following materials has the highest speed of sound?
Which of the following materials has the highest speed of sound?
If the wavelength of an ultrasound wave is 2 mm and the frequency is 5 MHz, what is the speed of sound in that medium?
If the wavelength of an ultrasound wave is 2 mm and the frequency is 5 MHz, what is the speed of sound in that medium?
How does the intensity of a sound beam change if the power is quadrupled?
How does the intensity of a sound beam change if the power is quadrupled?
What is the standard unit for measuring the frequency of sound waves?
What is the standard unit for measuring the frequency of sound waves?
If the speed of sound in a medium is 340 m/s and the wavelength is 0.5 m, what is the frequency in Hertz?
If the speed of sound in a medium is 340 m/s and the wavelength is 0.5 m, what is the frequency in Hertz?
Which factor limits the choice of transducer frequency in diagnostic ultrasound?
Which factor limits the choice of transducer frequency in diagnostic ultrasound?
If the transducer frequency used in ultrasound imaging is increased, what happens to the penetration and resolution?
If the transducer frequency used in ultrasound imaging is increased, what happens to the penetration and resolution?
