Chapter 3 Sound Waves

Question 1

Define period

Answer 1

Time it takes to complete once cycle

Question 2

Is period adjustable

Answer 2

No

Question 3

Period is determined by

Answer 3

Sound source

Question 4

Define frequency

Answer 4

Number of cycles that occur in one second

Question 5

Frequency is reported in units of

Answer 5

Hertz

Question 6

Frequency is determined by

Answer 6

Sound source

Question 7

Is frequency adjustable

Answer 7

No

Question 8

What is the range of audible sound

Answer 8

20 to 20000 hz

Question 9

Frequency and period are ______ related

Answer 9

Inversely

Question 10

Frequency and period are also what

Answer 10

Reciprocals

Question 11

What are the three bigness parameters

Answer 11

Intensity, power and amplitude

Question 12

Intensity, power and amplitude are _______ related

Answer 12

Directly

Question 13

Intensity, power and amplitude are determined by

Answer 13

Sound source

Question 14

Are the bigness parameters (IPA) adjustable

Answer 14

Yes

Question 15

Speed is ______ related to wavelength

Answer 15

Directly

Question 16

Is the wavelenght adjustable

Answer 16

No

Question 17

Wavelength affects what kind of resolution

Answer 17

Axial

Question 18

Wavelength is determined by what

Answer 18

Source and medium

Question 19

Propagation speed is determined by

Answer 19

Medium

Question 20

Is propagation speed adjustable

Answer 20

No

Question 21

What is the speed of sound in soft tissue

Answer 21

1540 m/s

Question 22

What are two characteristics of a medium that determines speed of sound

Answer 22

Stiffness and density

Question 23

Stiffness is _________ related to speed

Answer 23

Directly

Question 24

Density is _______ related to speed

Answer 24

Inversely

Question 25

Define stiffness

Answer 25

Ability of an object to resist compression

Question 26

Define density

Answer 26

Relative weight of a material