Physics Study Guide Part 1

What isn't a acoustic variable?

• Distance

• Pressure

• Amplitude

• Density

True or False

The parameters of sound are Frequency, wavelength, period, amplitude, intensity and power

• True

• False

What type of energy is sound energy?

• Electrical

• Mechanical

• Pulse

• Longitudinal

True or False

Sound travels in transverse waves

• True

• False

What does propagating mean?

• Traveling through a sound source

• Traveling through a medium

• Traveling through a sound source and medium

What is the average speed of sound in soft tissue?

• 1,540 m/s

• 1,540 m

• 1,540 s

• 1,540mm

Does sound travel fastest in a solid or gas?

• Solid

• Gas

Is propagation speed a property of the medium or the source of sound?

• Medium

• Sound source

True or False

The range of human hearing is 20 Hz to 20,000 Hz

• True

• False

The diagnostic ultrasound range of frequencies includes

• 2 MHz- 10 MHz

• 2 MHz- 13 MHz

• 2 MHz- 15 MHz

• 2 MHz- 20 MHz