## Chapter 4 Test

GOOD LUCK!

Name

Email

1. Rarefaction describes a region of:

2. The reciprocal of the period is known as:

3. If the wavelength of a 2 MHz transducer is 0.77mm, then was is the wavelength of a 10MHz transducer?

4. What is the term Hertz equal to?

5. The period of an ultrasound wave is:

6. The period for a 10 MHz transducer is:

7. Which of the statements below about amplitude is incorrect?

8. If the amplitude is increased by a factor of 4, then the power

9. The units for Intensity are:

10. Assuming the same area, if the power is increased what will happen to the intensity?