Chapter 2 - Sound

Question 1

Acoustic Variables

Answer 1

Pressure
Density
Distance (particle motion)
Temperature

Question 2

Pressure

Answer 2

Concentration of force within an area

Question 3

Density

Answer 3

Concentration of mass within a volume

Question 4

Distance

Answer 4

Measure of particle motion

Question 5

Temperature

Answer 5

Measurement of heat

Question 6

Period

Answer 6

The time required to complete a single cycle

Question 7

Frequency

Answer 7

cycles that occur in 1 second

Question 8

Ultrasound

Hz measurement

Answer 8

<20000Hz

Question 9

Audible sound

Hz Measurenent

Answer 9

20Hz-20000Hz

Question 10

Infrasound

Hz measurement

Answer 10

<20Hz

Question 11

Frequency & period equation

Answer 11

Period = 1/frequency
Frequency = 1/period
Triangle

Question 12

Bigness parameters

Answer 12

Amplitude
Power
Intensity

Question 13

Amplitude

Answer 13

Maximum variatition in a acoustic variable

Question 14

Power

Answer 14

Rate of energy transference

Question 15

Intensity

Answer 15

Concentration of energy in a sound beam

Question 16

Intensity equation

Answer 16

Intensity = power/beam area

Question 17

Wavelength

Answer 17

The distance of a single cycle

Question 18

Propitiation speed

Answer 18

The rate that sound travels through a medium

Also called velocity or speed

Question 19

Interference

Answer 19

When two waves overlap at the same location at the same instant in time

Question 20

Constructive interference

Answer 20

Add two waves together

Question 21

Destructive interference

Answer 21

Subtract waves from each other