Question 1

The formula E = hf demonstrates that

Accepted Answer

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 2

X-rays are produced

Accepted Answer

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

Question 3

Gamma rays are produced

Accepted Answer

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

Question 4

The electromagnetic radiation used in tanning beds is

Accepted Answer

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

Question 5

As the wave's frequency increases,the wavelength

Accepted Answer

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

Question 6

When compared with a beta particle,the alpha particle is

Accepted Answer

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

Question 7

Different electromagnetic radiations are put in order by the

Accepted Answer

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

Question 8

Wavelength is generally measured in

Accepted Answer

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

Question 9

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

Accepted Answer

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

Question 10

Electromagnetic radiation has properties of a wave and a particle.

Accepted Answer

A) True 
 B)False

Question 11

In the formula E = hf,f represents

Accepted Answer

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

Question 12

Electromagnetic theory was developed in the late 1800s by

Accepted Answer

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

Question 13

Half-life is defined as

Accepted Answer

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 14

Radioactive elements

Accepted Answer

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 15

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

Accepted Answer

A)  Visible light.
B)  Microwaves.
C)  Sound.
D)  Gamma rays.

Question 16

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

Accepted Answer

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

Question 17

The process of removing an electron from an atom is

Accepted Answer

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

Question 18

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

Accepted Answer

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

Exam 3: Electromagnetic and Particulate Radiation

Electromagnetic theory was developed in the late 1800s by

Correct Answer
verified

Different electromagnetic radiations are put in order by the

Correct Answer
verified

Electromagnetic radiation has properties of a wave and a particle.

Correct Answer
verified

Wavelength is generally measured in

Correct Answer
verified

In the formula E = hf,f represents

Correct Answer
verified

Gamma rays are produced

Correct Answer
verified

Radioactive elements

Correct Answer
verified

When compared with a beta particle,the alpha particle is

Correct Answer
verified

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

Correct Answer
verified

The process of removing an electron from an atom is

Correct Answer
verified

X-rays are produced

Correct Answer
verified

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

Correct Answer
verified

The electromagnetic radiation used in tanning beds is

Correct Answer
verified

As the wave's frequency increases,the wavelength

Correct Answer
verified

The formula E = hf demonstrates that

Correct Answer
verified

Half-life is defined as

Correct Answer
verified

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

Correct Answer
verified

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

Correct Answer
verified

Exam 3: Electromagnetic and Particulate Radiation

Electromagnetic theory was developed in the late 1800s by

Correct AnswerverifiedShow Answer

Different electromagnetic radiations are put in order by the

Correct AnswerverifiedShow Answer

Electromagnetic radiation has properties of a wave and a particle.

Correct AnswerverifiedShow Answer

Wavelength is generally measured in

Correct AnswerverifiedShow Answer

In the formula E = hf,f represents

Correct AnswerverifiedShow Answer

Gamma rays are produced

Correct AnswerverifiedShow Answer

Radioactive elements

Correct AnswerverifiedShow Answer

When compared with a beta particle,the alpha particle is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The process of removing an electron from an atom is

Correct AnswerverifiedShow Answer

X-rays are produced

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The electromagnetic radiation used in tanning beds is

Correct AnswerverifiedShow Answer

As the wave's frequency increases,the wavelength

Correct AnswerverifiedShow Answer

The formula E = hf demonstrates that

Correct AnswerverifiedShow Answer

Half-life is defined as

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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