Chapter 2

Question 0

3 acoustic variables

Answer 0

Pressure
Density
Distance

Question 1

Sound waves

Answer 1

Carry energy
Are mechanical waves
Are longitudinal
Cannot move through vacuum

Question 2

Concentration of force

Answer 2

Pressure

Question 3

Concentration of mass

Answer 3

Density

Question 4

Measure of particle motion

Answer 4

Distance

Question 5

Sound travels in a _________

Answer 5

Straight line

Question 6

In phase waves

Answer 6

Waves that peaks and troughs match precisely

Question 7

Out of phase waves

Answer 7

Waves that peaks and troughs occur at different times

Question 8

Constructive interference

Answer 8

Combining of in phase waves

Results in an increase of amplitude

Question 9

Destructive interference

Answer 9

Out of phase waves combine resulting in a smaller amplitude

Question 10

Giga

Answer 10

billion

G

1000000000

1 x 10 to the 9th

Question 11

Mega

Answer 11

Million

M

1000000

1 x 10 to the 6th

Question 12

Kilo

Answer 12

Thousand

k

1000

1 x 10 to the 3rd

Question 13

Hecto

Answer 13

Hundred

h

100

1 x 10 to the 2nd

Question 14

Deca

Answer 14

Ten

da

10

1 x 10 to the first power

Question 15

Deci

Answer 15

Tenth

d

0.1

Question 16

Centi

Answer 16

Hundredth

c

0.01

Question 17

Milli

Answer 17

Thousandth

m

0.001

Question 18

Micro

Answer 18

Millionth

0.000001

Question 19

Nano

Answer 19

Billionth

n

0.000000001