Electromagnetic Energy Ch 4

Question 1

The type of energy in x-rays, radio waves,

microwaves & visible light

Answer 1

Electromagnetic Energy

Question 2

Properties of Electromagnetic Energy

Answer 2

Frequency, Wavelength, Velocity &

Amplitude

Question 3

An uninterrupted ordered sequence

Answer 3

Energy Continuum

Question 4

The smallest quantity of any type of

electromagnetic energy

Answer 4

Photon

Question 5

A small bundle of energy

Answer 5

Quantum

Question 6

An x-ray photon is a quantum of

Answer 6

electromagnetic energy

Question 7

He showed that visible light has both

electric & magnetic properties

Answer 7

James Clerk Maxwell

Question 8

The velocity of all electromagnetic radiation is

Answer 8

3 x 108 m/s

Question 9

The interactions among different energies,

forces or masses

Answer 9

Field

Question 10

It governs the interaction of different masses

Answer 10

Gravitational Field

Question 11

It governs the interactions of electrostatic

charges

Answer 11

Electric Field

Question 12

It governs the interaction of magnetic poles

Answer 12

Magnetic Field

Question 13

The variation in the movement of photons in

electrical & magnetic fields

Answer 13

Sine Wave

Question 14

The width of a waveform

Answer 14

Amplitude

Question 15

It describes variations in electric &
magnetic fields as photon travels with
velocity

Answer 15

Sine Wave Model of Electromagnetic Energy

Question 16

the number of wavelengths that
pass a p
oint of observation per second

Answer 16

Frequency

Question 17

Three Wave Parameters

Answer 17

Velocity, Frequency & Wavelength

Question 18

When is wavelength & frequency
inversely proportional

Answer 18

At a given velocity

Question 19

A continuum of electromagnetic energy

Answer 19

Electromagnetic Spectrum

Question 20

The wave of moving molecules

Answer 20

Ultrasound

Question 21

Diagnostic ultrasound is not part of…

Answer 21

electromagnetic spectrum

Question 22

Measurement of the Electromagnetic Spectrum

Answer 22

energy (eV), frequency (Hz)

& wavelength (λ)

Question 23

It occupies the smallest segment of

electromagnetic spectrum

Answer 23

Visible Ligh

Question 24

The deviation of course that occurs when
photos of visible light traveling in straight
lines pass from one transparent medium to
another

Answer 24

Refraction

Question 25

It heats any substance on which it shines

Answer 25

Infarred

Question 26

Higher energy & lower wavelength

Answer 26

Ionizing Radiation

Question 27

It is emitted from the electron cloud

Answer 27

X-rays

Question 28

It comes from inside the nucleus of | radioactive atom

Answer 28

Gamma Rays

Question 29

only difference between x -rays & gamma | rays is..

Answer 29

Their origin

Question 30

They behave more like waves

Answer 30

Visible Light Photons

Question 31

They behave more like particles

Answer 31

X-ray Photons

Question 32

The principle that states that both wave & particle concepts must be retained, because wave-like properties are exhibited in some experiments & particle-like properties are exhibited in other

Answer 32

Wave Particle duality

Question 33

All radiation with λ longer than x-rays

Answer 33

Wave Phenomenon

Question 34

Visible light behaves like a...

Answer 34

Wave

Question 35

Xrays behave like they have...

Answer 35

Paticles

Question 36

The structures that absorb x-rays

Answer 36

Radiopaque

Question 37

The structures that transmit x-rays

Answer 37

Radiolucent

Question 38

It states that the intensity of radiation at a location is inversely proportional to the square of distance from the source of radiation

Answer 38

Inverse Square Law

Question 39

Formula if Inverse Square Law

Answer 39

I1/I2 = (D2/D1)2

Question 40

Electromagnetic energy (radiation) intensity is...

Answer 40

inversely related to the square of the distance | from the source

Question 41

discrete bundle of energy!

Answer 41

X-ray photon

Question 42

X-rays are created with the speed of light (c)

Answer 42

Planck’s Quantum Theory

Question 43

Synthesized our understanding of Electromagnetic radiation

Answer 43

Max Planck

Question 44

States that matter can neither be created nor destroyed

Answer 44

Law of Conservation of Matter

Question 45

States that energy may be transformed from one form to another but cannot be created or destroyed

Answer 45

Law of Conservation of Energy