Question 1

In the formula E = hf,energy is measured in

Accepted Answer

A) volts 
B) amps 
C) frequency volts 
D) electron volts 
A) volts 
B) amps 
C) frequency volts 
D) electron volts D

Question 2

All electromagnetic radiation travels at the same speed.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following electromagnetic radiations have the lowest energy level?

Accepted Answer

A) X-rays. 
B) Visible light. 
C) Microwaves. 
D) Radio waves. 
A) X-rays. 
B) Visible light. 
C) Microwaves. 
D) Radio waves. D

Question 4

In the formula E = hf,E represents

Accepted Answer

A) Planck's constant 
B) frequency 
C) energy 
D) electricity 
A) Planck's constant 
B) frequency 
C) energy 
D) electricity

Question 5

An object we see as black is _______________ all of the wavelengths of visible light.

Accepted Answer

A) absorbing 
B) diffusing 
C) reflecting 
D) changing 
A) absorbing 
B) diffusing 
C) reflecting 
D) changing

Question 6

X-rays and gamma rays differ in

Accepted Answer

A) the energy source that produces them 
B) the effect they have on matter 
C) their energy level 
D) all of the above 
A) the energy source that produces them 
B) the effect they have on matter 
C) their energy level 
D) all of the above

Question 7

Particulate radiation includes:

Accepted Answer

A) alpha particles 
B) x-ray particles 
C) beta particles 
D) A and C 
E) B and C 
A) alpha particles 
B) x-ray particles 
C) beta particles 
D) A and C 
E) B and C

Question 8

Frequency is typically measured in

Accepted Answer

A) hertz 
B) feet 
C) centimeters 
D) meters 
A) hertz 
B) feet 
C) centimeters 
D) meters

Question 9

When considering the wave properties of electromagnetic radiation,the distance from the peak of one wave to the next is

Accepted Answer

A) wavelength 
B) amplitude 
C) frequency 
D) velocity 
A) wavelength 
B) amplitude 
C) frequency 
D) velocity

Question 10

Microwaves travel at a velocity of

Accepted Answer

A) 3 × 10⁶ m/s 
B) 3 × 10⁷ m/s 
C) 3 × 10⁸ m/s 
D) 3 × 10⁹ m/s 
A) 3 × 10⁶ m/s 
B) 3 × 10⁷ m/s 
C) 3 × 10⁸ m/s 
D) 3 × 10⁹ m/s

Question 11

In the formula E = hf,h represents

Accepted Answer

A) Planck's constant 
B) frequency 
C) energy 
D) electricity 
A) Planck's constant 
B) frequency 
C) energy 
D) electricity

Question 12

What is the wavelength of electromagnetic radiation if the frequency is 3 × 10¹⁰ m?

Accepted Answer

A) 1 × 10-² m. 
B) 1 × 10² m. 
C) 3 × 10-² m. 
D) 3 × 10² m. 
A) 1 × 10-² m. 
B) 1 × 10² m. 
C) 3 × 10-² m. 
D) 3 × 10² m.

Question 13

The formula v = fl can be used to calculate the ______________ and ____________ of an electromagnetic wave.

Accepted Answer

A) velocity;wavelength 
B) wavelength;frequency 
C) frequency;velocity 
D) all of the above 
A) velocity;wavelength 
B) wavelength;frequency 
C) frequency;velocity 
D) all of the above

Question 14

Microwaves heat up food because their energy causes the atoms and molecules to

Accepted Answer

A) dissolve 
B) expand 
C) vibrate 
D) contract 
A) dissolve 
B) expand 
C) vibrate 
D) contract

Question 15

The positively charged beta particle is a(n)

Accepted Answer

A) electron 
B) alpha particle 
C) negatron 
D) positron 
A) electron 
B) alpha particle 
C) negatron 
D) positron

Question 16

X-rays and gamma rays are the only electromagnetic radiations that are able to ionize matter.

Accepted Answer

A) True 
 B)False

Question 17

When considering the wave properties of electromagnetic radiation,the number of waves that pass by a given point per second is

Accepted Answer

A) wavelength 
B) amplitude 
C) frequency 
D) velocity 
A) wavelength 
B) amplitude 
C) frequency 
D) velocity

Question 18

When the alpha particle picks up two electrons as it passes through air it becomes a

Accepted Answer

A) neutral atom of hydrogen 
B) radioactive atom of hydrogen 
C) neutral atom of helium 
D) radioactive atom of helium 
A) neutral atom of hydrogen 
B) radioactive atom of hydrogen 
C) neutral atom of helium 
D) radioactive atom of helium

Question 19

An alpha particle is the same as the nucleus of a(n)

Accepted Answer

A) hydrogen atom 
B) oxygen atom 
C) carbon atom 
D) helium atom 
A) hydrogen atom 
B) oxygen atom 
C) carbon atom 
D) helium atom

Question 20

Half-life is

Accepted Answer

A) the rate at which a radioactive material decays 
B) half the time it takes for all the radioactivity to decay 
C) the rate at which particulate radiation is emitted from a radioactive atom's nucleus 
D) none of the above 
A) the rate at which a radioactive material decays 
B) half the time it takes for all the radioactivity to decay 
C) the rate at which particulate radiation is emitted from a radioactive atom's nucleus 
D) none of the above

In the formula E = hf,energy is measured in

All electromagnetic radiation travels at the same speed.

Which of the following electromagnetic radiations have the lowest energy level?

In the formula E = hf,E represents

An object we see as black is _______________ all of the wavelengths of visible light.

X-rays and gamma rays differ in

Particulate radiation includes:

Frequency is typically measured in

When considering the wave properties of electromagnetic radiation,the distance from the peak of one wave to the next is

Microwaves travel at a velocity of

In the formula E = hf,h represents

What is the wavelength of electromagnetic radiation if the frequency is 3 × 10¹⁰ m?

The formula v = fl can be used to calculate the __ and of an electromagnetic wave.

Microwaves heat up food because their energy causes the atoms and molecules to

The positively charged beta particle is a(n)

X-rays and gamma rays are the only electromagnetic radiations that are able to ionize matter.

When considering the wave properties of electromagnetic radiation,the number of waves that pass by a given point per second is

When the alpha particle picks up two electrons as it passes through air it becomes a

An alpha particle is the same as the nucleus of a(n)

Half-life is

Introduction to the Imaging Sciences

Structure of the Atom

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Quality and Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Exposure Technique Selection

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters

Exam 3: Electromagnetic and Particulate Radiation

In the formula E = hf,energy is measured in

All electromagnetic radiation travels at the same speed.

Which of the following electromagnetic radiations have the lowest energy level?

In the formula E = hf,E represents

An object we see as black is _______________ all of the wavelengths of visible light.

X-rays and gamma rays differ in

Particulate radiation includes:

Frequency is typically measured in

When considering the wave properties of electromagnetic radiation,the distance from the peak of one wave to the next is

Microwaves travel at a velocity of

In the formula E = hf,h represents

What is the wavelength of electromagnetic radiation if the frequency is 3 × 10¹⁰ m?

The formula v = fl can be used to calculate the ______________ and ____________ of an electromagnetic wave.

Microwaves heat up food because their energy causes the atoms and molecules to

The positively charged beta particle is a(n)

X-rays and gamma rays are the only electromagnetic radiations that are able to ionize matter.

When considering the wave properties of electromagnetic radiation,the number of waves that pass by a given point per second is

When the alpha particle picks up two electrons as it passes through air it becomes a

An alpha particle is the same as the nucleus of a(n)

Half-life is

Introduction to the Imaging Sciences

Structure of the Atom

The X-Ray Circuit

The X-Ray Tube

X-Ray Production

X-Ray Interactions With Matter

Image Production

Image Quality and Characteristics

Radiographic Exposure Technique

Scatter Control

Image Receptors

Exposure Technique Selection

Image Intensified Fluoroscopy

Additional Equipment

Computed Tomography

Filters

The formula v = fl can be used to calculate the __ and of an electromagnetic wave.