Physics Ch 1&2

Front 1

Define biologic effects

Back 1

The effects of the sound waves upon the biologic tissue through which it passes

Front 2

When a pair of waves peaks at different times, and so do their troughs.

Back 2

Out-of-phase

Front 3

Metric units for millions and millionths

Back 3

Millions- mega

Millionths-micro

Front 4

When a pair of waves peaks at the same time, and end at the same time

Back 4

In-phase

Front 5

-Is a special form of an inverse relationship

-when two numbers multiply, the result is one

Back 5

Reciprocal relationship

Front 6

A value in scientific notation with a negative exponent is considered less than or greater than 1?

Back 6

Less than 1

Front 7

Define inversely related (inversely proportional)

Back 7

When one item increases the other item decreases ↑↓

Front 8

When particles move in the same direction the sound wave propagates is considered a...

Back 8

Longitudinal wave

Front 9

Define mechanical wave...

Back 9

Particles in the medium move

Front 10

Sound is considered...

Back 10

A mechanical wave

Front 11

Define acoustic propagation properties

Back 11

The effects of the medium upon the sound wave

Front 12

define directly related (directly proportional)

Back 12

when one item increases, the other increases

Front 13

define unrelated

Back 13

two items are not associated

Front 14

shorthand manner to represent very large numbers or very small numbers

Back 14

scientific notation

Front 15

waves of different frequencies will create waves with two kinds of interference.

Back 15

constructive and destructive interference

Front 16

sound travels in a...

Back 16

straight line

Front 17

a number with an exponent of zero has a value between...

Back 17

1 and 10

Front 18

mass in a volume unit:

Back 18

density kg/cm^3

Front 19

metric units for hundreds and hundredths

Back 19

hundreds- hecto

hundredths- Centi

Front 20

sound cannot travel through a vacuum. It must travel through a medium, where molecules are...

Back 20

alternately rarefied and compressed

Front 21

sound pulses created by a transducer travel through...

Back 21

biologic tissue or media

Front 22

when particles move in a direction that is perpendicular to the direction that the wave propagates is a...

Back 22

transverse wave

Front 23

units for the measure of particle motion:

Back 23

distance: cm, feet, mile

Front 24

metric units for billions and billionths:

Back 24

billions- giga

billionth- nano

Front 25

what are three acoustic variables?

Back 25

pressure, density, distance

Front 26

a number in scientific notation with a positive exponent has a value that is less than 10 or greater than 10?

Back 26

greater than 10

Front 27

metric units for tens and tenths

Back 27

tens- Deca

tenths- Deci

Front 28

what does related or proportional mean in physics?

Back 28

two items that are associated or affiliated. however, the relationship between the items does not have to be specified.

Front 29

what are the units of area?

Back 29

cm^2, ft^2

Front 30

an interference that occurs when a pair of in-phase waves results in the formation of a single wave with a larger amplitude than either of them on their own.

Back 30

constructive

Front 31

all waves carry...

Back 31

energy

Front 32

an interference when a pair of out-of-phase waves results in the formation of a single wave with a smaller amplitude than the original waves.

Back 32

destructive

Front 33

what is the units for the concentration of force in an area?

Back 33

Pa (pascals)

Front 34

what are the units of length?

Back 34

distance or circumference

cm, feet

Front 35

metric units for thousands and thousandths:

Back 35

thousand- kilo

thousandths- milli