Electromagnetic Radiation

Question 0

Smallest quantity of any type of electromagnetic radiation

Answer 0

Photon

Question 1

Never ending wave of energy

Answer 1

Energy continuum

Question 2

Small bundle of energy; used to describe photons

Answer 2

Quantum

Question 3

Which 3 characteristics fully describe a photon?

Answer 3

Velocity
Frequency
Wavelength

Question 4

Are frequency and wavelength inversely or directly proportional?

Answer 4

Inversely

Question 5

The speed of light; is constant

Answer 5

Velocity

Question 6

How many cycles per second (Hertz)

Answer 6

Frequency

Question 7

What type of wavelengths do x-rays have?

Frequencies?

Answer 7

Short wavelengths
&
High frequencies

Question 8

Short wavelengths have ______ energy.

Answer 8

High

Question 9

Higher frequencies have ________ wavelengths.

Answer 9

Shorter

Question 10

What is the mathematical formula for velocity?

Answer 10

Velocity = frequency x wavelength

Question 11

The distance between 2 successive crests in a wave

Answer 11

Wavelength

Question 12

The number of crests or cycles per second; measured in hertz

Answer 12

Frequency

Question 13

Are energy and frequency inversely or directly proportional?

Answer 13

Directly

Question 14

What type of energy, frequency, and wavelength do gamma waves have?

Answer 14

Energy - Strongest
Frequency - Highest
Wavelength - Shortest

Question 15

What type of energy, frequency, and wavelength do radiowaves have?

Answer 15

Energy - Lowest
Frequency - lowest
Wavelength - longest

Question 16

What are the 3 types of electromagnetic spectrums?

Answer 16

Radio emissions
Visible light
Ionizing radiation

Question 17

What are the 3 portions of electromagnetic spectrum that are most important to radiology?

Answer 17

Visible light
X-ray
High frequency radiowaves

Question 18

Conditions under which radiographic or fluoroscopic image is viewed

Answer 18

Visible light

Question 19

Low energies
Long wavelengths
Small frequencies

Answer 19

Radio emissions

Question 20

Described in terms of frequency

Answer 20

Radio emissions

Question 21

Described in terms of wavelength

Answer 21

Visible light

Question 22

Occupies the smallest segment of the electromagnetic spectrum

Answer 22

Visible light

Question 23

Is characterized by energy (of the photon)

Answer 23

Ionizing radiation

Question 24

What is the distinction between x-rays and gamma rays?

Answer 24

Origin

Question 25

Man-made

Answer 25

X-rays

Question 26

Are naturally made

Answer 26

Gamma rays

Question 27

Is measured in angstroms (A°)

Answer 27

The wavelength of an x-ray

Question 28

Electromagnetic radiation with sufficient energy to remove electrons

Answer 28

Ionizing radiation

Question 29

What are the 3 comparisons of the electromagnetic spectrum areas?

Answer 29

1. Photons react differently with matter due to the differences in frequency & wavelength 2. Visible light photons tend to exhibit more wave nature than particle 3. Photon of x-ray tend to exhibit more like particle(energy) than waves

Question 30

Phenomenon when photons exhibit both types of behavior

Answer 30

Wave particle duality

Question 31

Interact with metal rods

Answer 31

Radio (meters)

Question 32

Interact with similar objects such as hamburgers

Answer 32

Microwaves (in cm)

Question 33

Interact with rods & cones in the eye

Answer 33

Visible light (in micrometers)

Question 34

Interacts with molecules

Answer 34

Ultraviolet light

Question 35

Interacts with atoms and subatomic particles

Answer 35

X-rays

Question 36

Interaction with mother is comparable to the function of __________.

Answer 36

Wavelength

Question 37

Partial absorption of energy

Answer 37

Attenuation

Question 38

Energy dissipated and absorbed

Answer 38

Absorption

Question 39

Energy strikes an object & is rebound

Answer 39

Reflection

Question 40

What are the 3 degrees of interaction with light?

Answer 40

1. Transparent 2. Translucent 3. Opaque

Question 41

Absorbs photons

Answer 41

Radiopaque (short-scale)

Question 42

Attenuates; Partial absorption of photons to a small degree; Photons are going through the body

Answer 42

Radiolucent (long-scale)

Question 43

Measured in eV (electron volts)

Answer 43

Energy

Question 44

Proton energy is ________ proportional to photon frequency.

Answer 44

Directly

Question 45

Photon energy is _________ proportional to photon wavelength.

Answer 45

Inversely

Question 46

Matter of energy can neither be created or destroyed, but may be transferred one to another

Answer 46

Einstein's Law of mass energy conversions (E = MC^2)

Question 47

The law for force

Answer 47

Coulumb's Law

Question 48

Law for energies

Answer 48

Inverse square law

Question 49

Name the 5 types of electromagnetic radiation waves in order from longer wavelengths to shorter wavelengths.

Answer 49

``` Radiowaves Microwaves Visible light Ultraviolet light X-rays ```