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WorksheetsRadPhysics 4
Total questions: 99
Worksheet time: 2hrs 41mins
The type of energy in x-rays, radio waves, microwaves & visible light.
Magnetic Energy
Electromagnetic Energy
Electric Energy
Quantum Energy
Pick the Properties of Electromagnetic Energy
Amplitude
Wavelength
Frequency
Velocity
An uninterrupted ordered sequence.
Quantum Continuum
Electric Continuum
Energy Continuum
Magnetic Continuum
The smallest quantity of any type of electromagnetic energy.
Amplitude
Electron
Quantum
Photon
It may be pictured as quantum.
Waveform: sinusoidal fashion
Amplitude
Velocity
Quantum
Photon
A small bundle of energy.
Amplitude
Velocity
Quantum
Photon
Speed of light
Amplitude
Velocity
Quantum
Photon
Velocity
Constant SI Unit: __________ m/s
3 x 108 m/s
3 x 109 m/s
2 x 108 m/s
2 x 109 m/s
The interactions among different energies, forces or masses.
Frequency
Amplitude
Field
Wavelength
It governs the interaction of different masses.
Sine Wave
Gravitational Field
Magnetic Field
Electric Field
It governs the interactions of electrostatic charge.
Sine Wave
Gravitational Field
Magnetic Field
Electric Field
It governs the interaction of magnetic poles.
Sine Wave
Gravitational Field
Magnetic Field
Electric Field
The variation in the movement of photons in electrical & magnetic fields.
Sine Wave
Gravitational Field
Magnetic Field
Electric Field
Identical except for their amplitude.
Sine Wave
Gravitational Field
Magnetic Field
Electric Field
The width of a waveform.
Frequency
Amplitude
Field
Wavelength
It is not related to wavelength or frequency.
Frequency
Amplitude
Field
Wavelength
____ ____ _____ of Electromagnetic Energy
It describes variations in electric & magnetic fields as photon travels with velocity.
(a)
The rate of rise & fall.
Frequency
Amplitude
Field
Wavelength
It is equal to the number of crests or valleys that pass the point of an observer per unit time.
Frequency
Amplitude
Field
Wavelength
It is inversely proportional to the wavelength.
Frequency
Amplitude
Field
Wavelength
Distance from one crest to another.
Frequency
Amplitude
Field
Wavelength
Distance from one valley to another.
Frequency
Amplitude
Field
Wavelength
Distance from one point on the sine wave to the next corresponding point.
Frequency
Amplitude
Field
Wavelength
Inversely proportional to the frequency.
Frequency
Amplitude
Field
Wavelength
Unit: Lambda ( λ )
Frequency
Amplitude
Field
Wavelength
SI Unit: Hertz (Hz)
Frequency
Amplitude
Field
Wavelength
Pick the Three Wave Parameters
Need to describe electromagnetic energy
Velocity
Frequency
Amplitude
Wavelength
Which is not a wave equation formula?
f=λc
c=λf
λ=fc
v=fλ
These are used for both sound & electromagnetic energy.
Wave Equation
Electromagnetic Wave Equation
For electromagnetic energy, frequency & wavelength are inversely proportional.
Wave Equation
Electromagnetic Wave Equation
Which is the formula of Electromagnetic Wave Equation?
f=λc
c=fλ
λ=fc
v=fλ
A continuum of electromagnetic energy.
Electromagnetic Wave
Electromagnetic Spectrum
Measurement of the Electromagnetic Spectrum
Magnetic Field Spectrum
Which is not part of the Three Regions Important to Radiologic Science?
Radiofrequency Region
Ultrasound Region
X-ray Region
Visible light Region
Viewing condition of a radiographic & fluoroscopic images are critical to diagnosis.
Radiofrequency Region
Others
X-ray Region
Visible light Region
Fundamental to producing a high quality radiograph.
Radiofrequency Region
Others
X-ray Region
Visible light Region
With the introduction of MRI, become more important in medical imaging.
Radiofrequency Region
Others
X-ray Region
Visible light Region
UV light, infrared light, & microwave radiation.
Radiofrequency Region
Others
X-ray Region
Visible light Region
The wave of moving molecules.
Ultrasound
X-ray
Microwave
Gamma Rays
It requires matter
It cannot exist in vacuum
Ultrasound
X-ray
Microwave
Gamma Rays
Measurement of the Electromagnetic Spectrum
Three Scales: _____ (eV), _______ (Hz), & _______ ( λ )
(a)
It occupies that smallest segment of electromagnetic spectrum.
UV Light
Visible Light
Infrared
Sunlight
It is described in terms of wavelength.
Range: 400 nm (Violet) to 700 nm (Red)
UV Light
Visible Light
Infrared
Sunlight
2 Invisible Light: infrared & UV light
UV Light
Visible Light
Infrared
Sunlight
Longer λ than visible light
Shorter λ than microwaves
UV Light
Visible Light
Infrared
Sunlight
It heats any substance on which it shines (radiant heat)
UV Light
Visible Light
Infrared
Sunlight
It causes sunburn.
UV Light
Visible Light
Infrared
Sunlight
Lies between visible light & ionizing radiation.
UV Light
Visible Light
Infrared
Sunlight
The deviation of course that occurs when photos of visible traveling in straight lines pass from one transparent medium to another.
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Range: 0.3 kHz-300 GHz
Range in MRI: 1-100 mHz
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Low energy & long wavelength
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Very-short wavelength FR
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Higher than broadcast RF
Lower than infrared
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Higher energy & lower wavelength.
Microwave
Radiofrequency
Ionizing Radiation
Refraction
Short burst of radiowaves. It can give energy to nuclide.
X-rays
RF
Gamma Rays
Ultrasound
It is emitted from the electron cloud.
X-rays
RF
Gamma Rays
Ultrasound
It is produced in diagnostic imaging system.
X-rays
RF
Gamma Rays
Ultrasound
It comes from inside the nucleus of radioactive atom.
X-rays
RF
Gamma Rays
Ultrasound
It is emitted spontaneously from radioactive material.
X-rays
RF
Gamma Rays
Ultrasound
Because of unstable nucleus.
X-rays
RF
Gamma Rays
Ultrasound
Which is not included in the Electromagnetic Relationship Triangle?
E=hf
c=fλ
E=λch
c=λf
They behave more like waves.
Visible Light Photons
X-ray Photons
They behave more like particles.
Visible Light Photons
X-ray Photons
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 others.
Wave Model: Visible Light
Wave Particle Duality
Wave Phenomenon
Electromagnetic Energy Attenuation
All radiation with λ longer than x-rays.
Wave Model: Visible Light
Wave Particle Duality
Wave Phenomenon
Electromagnetic Energy Attenuation
Sense by human eye
Short wavelength (violet) to long wavelength (red)
Wave Model: Visible Light
Wave Particle Duality
Wave Phenomenon
Electromagnetic Energy Attenuation
The difference in wavelength is proportional to the energy introduced into the system.
Wave Model: Visible Light
Wave Particle Duality
Wave Phenomenon
Electromagnetic Energy Attenuation
The reduction in intensity that results from scattering & absorption.
Wave Model: Visible Light
Wave Particle Duality
Wave Phenomenon
Electromagnetic Energy Attenuation
They are measured in meters.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
They interact with antennas.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It is measured in centimeter.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It interacts with hotdogs & hamburgers.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It is measured in nanometer.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It interacts with rods & cones of the eye.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It interacts with molecules.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
It interacts with electrons.
Microwave
UV Light
Radio & TV Waves
X-rays
Visible Light
Interaction Between Light & Absorbing Material
: not at all (transmission)
e.g. window glass
Transparency
Translucency
Opacity
Interaction Between Light & Absorbing Material
: partially (attenuation)
e.g. frosted glass
Transparency
Translucency
Opacity
Interaction Between Light & Absorbing Material
: completely (absorption)
e.g. black glass
Transparency
Translucency
Opacity
The structures that absorbs x-rays
e.g. bones
Radiopaque
Radiolucent
The structures that transmit x-rays
e.g. lung tissue
Radiopaque
Radiolucent
White
Radiopaque
Radiolucent
Black
Radiopaque
Radiolucent
It states that the intensity of radiation at a location is inversely proportional to the square of distance from the source of radiation.
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
X-rays are created with the speed of light (c).
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
X-rays exist with velocity or they do not exist at all.
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
It states that matter can be neither created nor destroyed.
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
It states that energy may be transformed from one form to another but cannot be created or destroyed.
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
Total amount of energy is constant.
Planck's Quantum Theory
Inverse Square Law
Law of Conservation of Matter
Law of Conservation of Energy
Formula of Inverse Square Law
I2I1=D2D1
I2I1=D1D2
I2I1=(D1D2)2
I2I1=(D2D1)2
Source of ______________ ________
Line Source: inverse square law does not hold at distance closes to the source.
(a)
X-rays are identified by their energy (eV).
Particle Model: Quantum Theory
Sine Wave Model
Wave Model
All electromagnetic radiation can be visualized as two perpendicular sine waves (electric & magnetic fields) that travel in a straight line at a speed of light.
Particle Model: Quantum Theory
Sine Wave Model
Wave Model
He synthesized our understanding of electromagnetic radiation.
James Clerk Maxwell
Max Planck
1918: He received the Nobel Prize
James Clerk Maxwell
Max Planck
He showed that visible light has both electric & magnetic properties.
James Clerk Maxwell (Late 19th Century)
Max Planck
Planck's Constant symbol
c
h
f
p
Pick all the correct Planck's Constant
6.63 x 10-34 Js
6.63 x 10-15 Js
4.15 x 10-34 Evs
4.15 x 10-15 Evs
Planck's Quantum formula
E=h/f
E=hf
E=f/h
E=(hf)2
Which are included in Planck's Quantum Equivalent Equation?
f=Eh
f=hE
E=λhc
E=chλ
