Deck 3: Electromagnetic and Particulate Radiation

Question 1

When considering the wave properties of electromagnetic radiation,the maximum height of a wave is:

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

Answer 1

amplitude

Question 2

Microwaves travel at a velocity of:

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

Answer 2

3 × 108 m/s

Question 3

When considering the wave properties of electromagnetic radiation,the number of waves that pass by a given point in 1 second is:

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

Answer 3

frequency

Question 4

Frequency is typically measured in:

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

Question 5

As a wave's wavelength increases,its frequency:

A) stays the same
B) increases
C) decreases
D) it depends on the type of electromagnetic radiation

Question 6

Electromagnetic radiation causes both ____________ and _____________ disturbances.

A) mechanical;heat
B) electrical;mechanical
C) magnetic;electrical
D) mechanical;visual

Question 7

As the wave's frequency increases,the wavelength:

A) stays the same
B) increases
C) decreases
D) it depends on the type of electromagnetic radiation

Question 8

In the formula E = hf,E represents:

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

Question 9

Different electromagnetic radiations are put in order by the:

A) electromagnetic table
B) electromagnetic spectrum
C) electromagnetic chart
D) electromagnetic list

Question 10

Electromagnetic theory was developed in the late 1800s by:

A) Bohr
B) Rutherford
C) Maxwell
D) Planck

Question 11

In the formula E = hf,h represents:

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

Question 12

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

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

Question 13

The formula E = hf demonstrates that:

A) as frequency increases,energy decreases
B) as frequency increases,energy increases
C) as energy increases,heat decreases
D) as energy increases,heat increases

Question 14

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

A) x-rays
B) visible light
C) microwaves
D) radio waves

Question 15

Electromagnetic radiation:

A) has no mass
B) has significant mass
C) has varying amounts of mass
D) none of the above

Question 16

In the formula E = hf,f represents:

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

Question 17

Electromagnetic radiation is a form of energy that originates from:

A) electricity
B) magnetism
C) the atom
D) something moving in space

Question 18

Which of the following is not part of the electromagnetic spectrum?

A) visible light
B) microwaves
C) sound
D) gamma rays

Question 19

Wavelength is generally measured in:

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

Question 20

In the formula E = hf,energy is measured in:

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

Question 21

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

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

Question 22

An ion pair is:

A) an electron and proton
B) a proton and neutron
C) an atom and the electron that was removed from it
D) an atom with an extra electron and an atom that is missing an electron

Question 23

Radio waves are used in:

A) computed tomography
B) ultrasound
C) radiography
D) magnetic resonance imaging

Question 24

Radioactive elements:

A) have excess energy in their nuclei
B) emit particles and energy
C) are trying to become stable elements
D) all of the above

Question 25

The general process of a radioactive element giving off excess energy and particles to regain stability is:

A) radioactivity
B) radioactive decay
C) ionization
D) electron emission

Question 26

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

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

Question 27

The electromagnetic radiation that passes between the television remote and television is:

A) visible light
B) infrared light
C) microwaves
D) ultraviolet light

Question 28

The process of removing an electron from an atom is:

A) annihilation
B) atomization
C) ionization
D) none of the above

Question 29

What is the frequency of electromagnetic radiation if the wavelength is 1 × 10⁻⁴ m?

A) 3 × 10-12 Hz
B) 3 × 10-4 Hz
C) 3 × 104 Hz
D) 3 × 1012 Hz

Question 30

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

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

Question 31

When the formula v = fl is changed to c = fl,the c represents the constant symbol for:

A) wavelength
B) frequency
C) amplitude
D) the speed of light

Question 32

Alpha and beta particles are similar to x-rays and gamma rays in that they:

A) have no mass
B) are part of the electromagnetic spectrum
C) have the energy to ionize matter
D) have characteristics of wavelength and frequency

Question 33

Particulate radiation includes:

A) alpha particles
B) x-ray particles
C) beta particles
D) A and C
E) all of the above

Question 34

X-rays are produced:

A) from unstable atoms
B) using fast-moving electrons
C) using fast-moving atoms
D) using fast-moving metals

Question 35

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

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

Question 36

Gamma rays are produced:

A) from unstable atoms
B) using fast-moving electrons
C) using fast-moving atoms
D) using fast-moving metals

Question 37

The electromagnetic radiation used in tanning beds is:

A) visible light
B) infrared light
C) microwaves
D) ultraviolet light

Question 38

The inverse square law relates the intensity (of light/x-rays)to:

A) velocity
B) time
C) mass
D) distance

Question 39

X-rays and gamma rays differ in:

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

Question 40

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

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

Question 41

Half-life is defined as:

A) half the time it takes for all of the remaining atoms in an amount of a radioactive element to decay
B) half the time it takes for half the remaining atoms in an amount of a radioactive element to decay
C) the time it takes for half the remaining atoms in an amount of a radioactive element to decay
D) none of the above

Question 42

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

Question 43

All electromagnetic radiation travels at the same speed.

Question 44

Half-life is:

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

Question 45

All of the electromagnetic radiations are capable of ionizing matter.

Question 46

The positively charged beta particle is a(n):

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

Question 47

When compared with a beta particle,the alpha particle is:

A) much smaller
B) much larger
C) more penetrating
D) none of the above

Question 48

As compared to an alpha particle,a beta particle:

A) has less mass
B) has more mass
C) has the same mass
D) is less penetrating

Question 49

Higher energy radiation acts more like waves than like particles.

Question 50

The half-life of technetium-99m is 6 hours.How many unstable atoms will remain after 12 hours?

A) One sixth of the original amount
B) One fourth of the original amount
C) One third of the original amount
D) Half of the original amount

Question 51

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

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

Question 52

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

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

Question 53

Alpha particles consist of:

A) two protons and two electrons
B) two protons and two neutrons
C) two electrons and two neutrons
D) none of the above

Question 54

The beta particle is an electron that is emitted from an outer shell.

Question 55

Electromagnetic radiation has properties of a wave and a particle.

Question 56

A negatively charged beta particle behaves the same as a(n):

A) proton
B) neutron
C) electron
D) positron

Question 57

All radioactive elements occur naturally.

Question 58

Electromagnetic energy cannot travel through a vacuum.