Question 1

Solid-state lasers depend on a(n)____ distributed in a solid crystal.

Accepted Answer

A) gas 
B) excited electron 
C) nonmetal anion 
D) metal cation 
E) reflecting mirror 
A) gas 
B) excited electron 
C) nonmetal anion 
D) metal cation 
E) reflecting mirror

Question 2

Which of these is not an application of semiconductor lasers?

Accepted Answer

A) Scanners 
B) Laser pointers 
C) Laser scalpels 
D) CD players 
E) All of these are applications. 
A) Scanners 
B) Laser pointers 
C) Laser scalpels 
D) CD players 
E) All of these are applications.

Question 3

What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm and a speed of 3 × 108 m\s?

Accepted Answer

A) 4.74 × 1014 s − 1 
B) 4.74 × 105 s − 1 
C) 1.58 × 10 − 3 s − 1 
D) 2.11 × 10 − 15 s − 1 
E) 1.58 × 10 − 15 s − 1 
A) 4.74 × 1014 s − 1 
B) 4.74 × 105 s − 1 
C) 1.58 × 10 − 3 s − 1 
D) 2.11 × 10 − 15 s − 1 
E) 1.58 × 10 − 15 s − 1

Question 4

Which of these is the primary difference in lasers?

Accepted Answer

A) The color of the light. 
B) The nature of the lasing medium. 
C) The intensity of the light emitted. 
D) The wavelength of the light emitted. 
E) The speed at which the light emitted travels. 
A) The color of the light. 
B) The nature of the lasing medium. 
C) The intensity of the light emitted. 
D) The wavelength of the light emitted. 
E) The speed at which the light emitted travels.

Question 5

Which of these characteristics of light is responsible for determining its color?

Accepted Answer

A) Magnetic component 
B) Electrical component 
C) Speed 
D) Amplitude 
E) Wavelength 
A) Magnetic component 
B) Electrical component 
C) Speed 
D) Amplitude 
E) Wavelength

Question 6

The interaction of matter and light is known as ____.

Accepted Answer

A) photodecomposition 
B) phosphorescence 
C) fluorescence 
D) spectroscopy 
E) photochemistry 
A) photodecomposition 
B) phosphorescence 
C) fluorescence 
D) spectroscopy 
E) photochemistry

Question 7

Energy of light is:

Accepted Answer

A) proportional to frequency and wavelength. 
B) inversely proportional to frequency and wavelength. 
C) proportional to frequency and inversely proportional to wavelength. 
D) inversely proportional to frequency and proportional to wavelength. 
A) proportional to frequency and wavelength. 
B) inversely proportional to frequency and wavelength. 
C) proportional to frequency and inversely proportional to wavelength. 
D) inversely proportional to frequency and proportional to wavelength.

Question 8

The exact frequency which causes a transition in a nucleus is known as the ____.

Accepted Answer

A) resonance frequency 
B) absorption frequency 
C) relaxation time 
D) emission frequency 
E) resonance imaging 
A) resonance frequency 
B) absorption frequency 
C) relaxation time 
D) emission frequency 
E) resonance imaging

Question 9

If wave 1 has a wavelength that is half that of wave 2, which of the following is correct?

Accepted Answer

A) Wave 1 has a frequency and energy that is twice that of wave 2. 
B) Wave 1 has a frequency and energy that is half that of wave 2. 
C) Wave 1 has half the frequency and twice the energy of wave 2. 
D) Wave 1 has twice the frequency and half the energy of wave 2. 
E) Not enough information is given. 
A) Wave 1 has a frequency and energy that is twice that of wave 2. 
B) Wave 1 has a frequency and energy that is half that of wave 2. 
C) Wave 1 has half the frequency and twice the energy of wave 2. 
D) Wave 1 has twice the frequency and half the energy of wave 2. 
E) Not enough information is given.

Question 10

What type of laser is the ruby laser?

Accepted Answer

A) Gas 
B) Dye 
C) Solid-state 
D) Semiconductor 
E) Photon 
A) Gas 
B) Dye 
C) Solid-state 
D) Semiconductor 
E) Photon

Question 11

Which of these is not an application of MRI?

Accepted Answer

A) Detecting diseased tissue 
B) Mapping brain function 
C) Imaging injured tissues 
D) Destroying cancerous tumors 
E) All of these are applications. 
A) Detecting diseased tissue 
B) Mapping brain function 
C) Imaging injured tissues 
D) Destroying cancerous tumors 
E) All of these are applications.

Question 12

An FM radio station, broadcasts at a frequency of 1.039 × 108 s − 1. What is the wavelength of the radio waves, in meters? c = 3 × 108 m\s

Accepted Answer

A) 0.346 m 
B) 2.89 m 
C) 3.11 × 108 m 
D) 3.11 × 1016 m 
E) 3.0 × 10 − 9 m 
A) 0.346 m 
B) 2.89 m 
C) 3.11 × 108 m 
D) 3.11 × 1016 m 
E) 3.0 × 10 − 9 m

Question 13

How does LASER light differ from ordinary white light?
I. Laser light is hotter than white light.
II. Laser light is in phase.
III. Laser light is one color.
IV. Laser light is red.

Accepted Answer

A) II only 
B) I and II 
C) II and III 
D) I, II, and III 
E) II, III, and IV 
A) II only 
B) I and II 
C) II and III 
D) I, II, and III 
E) II, III, and IV

Question 14

Which of these forms of electromagnetic radiation has the highest energy?

Accepted Answer

A) X-rays 
B) Microwaves 
C) Gamma rays 
D) Radio waves 
E) Infrared 
A) X-rays 
B) Microwaves 
C) Gamma rays 
D) Radio waves 
E) Infrared

Question 15

Which of these forms of electromagnetic radiation is used in the treatment of cancer tumors?

Accepted Answer

A) Gamma rays 
B) Infrared 
C) Ultraviolet 
D) Microwaves 
E) All of the above 
A) Gamma rays 
B) Infrared 
C) Ultraviolet 
D) Microwaves 
E) All of the above

Question 16

What type of laser is the Nd:YAG laser?

Accepted Answer

A) Gas 
B) Dye 
C) Photon 
D) Semiconductor 
E) Solid-state 
A) Gas 
B) Dye 
C) Photon 
D) Semiconductor 
E) Solid-state

Question 17

Which of these scientists is credited with the discovery of radio waves?

Accepted Answer

A) Bohr 
B) Hertz 
C) Heisenberg 
D) Roentgen 
E) Einstein 
A) Bohr 
B) Hertz 
C) Heisenberg 
D) Roentgen 
E) Einstein

Question 18

Which category of laser has the unique feature of wavelength tunability?

Accepted Answer

A) Gas 
B) Dye 
C) Photon 
D) Semiconductor 
E) Solid-state 
A) Gas 
B) Dye 
C) Photon 
D) Semiconductor 
E) Solid-state

Question 19

Tiny packets of energy which travel at the speed of light are known as ____.

Accepted Answer

A) photons 
B) X-rays 
C) carotenes 
D) chlorophylls 
E) gamma rays 
A) photons 
B) X-rays 
C) carotenes 
D) chlorophylls 
E) gamma rays

Question 20

Which of these colors of visible light has the shortest wavelength?

Accepted Answer

A) Red 
B) Green 
C) Yellow 
D) Blue 
E) Violet 
A) Red 
B) Green 
C) Yellow 
D) Blue 
E) Violet

Solid-state lasers depend on a(n)____ distributed in a solid crystal.

Which of these is not an application of semiconductor lasers?

What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm and a speed of 3 × 10⁸ m\s?

Which of these is the primary difference in lasers?

Which of these characteristics of light is responsible for determining its color?

The interaction of matter and light is known as ____.

Energy of light is:

The exact frequency which causes a transition in a nucleus is known as the ____.

If wave 1 has a wavelength that is half that of wave 2, which of the following is correct?

What type of laser is the ruby laser?

Which of these is not an application of MRI?

An FM radio station, broadcasts at a frequency of 1.039 × 10⁸ s^{− 1}. What is the wavelength of the radio waves, in meters? c = 3 × 10⁸ m\s

How does LASER light differ from ordinary white light? I. Laser light is hotter than white light. II. Laser light is in phase. III. Laser light is one color. IV. Laser light is red.

Which of these forms of electromagnetic radiation has the highest energy?

Which of these forms of electromagnetic radiation is used in the treatment of cancer tumors?

What type of laser is the Nd:YAG laser?

Which of these scientists is credited with the discovery of radio waves?

Which category of laser has the unique feature of wavelength tunability?

Tiny packets of energy which travel at the speed of light are known as ____.

Which of these colors of visible light has the shortest wavelength?

Molecular Reasons

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Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

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Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

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Exam 7: Light and Color

Solid-state lasers depend on a(n)____ distributed in a solid crystal.

Which of these is not an application of semiconductor lasers?

What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm and a speed of 3 × 108 m\s?

Which of these is the primary difference in lasers?

Which of these characteristics of light is responsible for determining its color?

The interaction of matter and light is known as ____.

Energy of light is:

The exact frequency which causes a transition in a nucleus is known as the ____.

If wave 1 has a wavelength that is half that of wave 2, which of the following is correct?

What type of laser is the ruby laser?

Which of these is not an application of MRI?

An FM radio station, broadcasts at a frequency of 1.039 × 108 s − 1. What is the wavelength of the radio waves, in meters? c = 3 × 108 m\s

How does LASER light differ from ordinary white light? I. Laser light is hotter than white light. II. Laser light is in phase. III. Laser light is one color. IV. Laser light is red.

Which of these forms of electromagnetic radiation has the highest energy?

Which of these forms of electromagnetic radiation is used in the treatment of cancer tumors?

What type of laser is the Nd:YAG laser?

Which of these scientists is credited with the discovery of radio waves?

Which category of laser has the unique feature of wavelength tunability?

Tiny packets of energy which travel at the speed of light are known as ____.

Which of these colors of visible light has the shortest wavelength?

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Biochemistry and Biotechnology

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology

Filters

What is the frequency of light emitted by a helium-neon laser with a wavelength of 632.8 nm and a speed of 3 × 10⁸ m\s?

An FM radio station, broadcasts at a frequency of 1.039 × 10⁸ s^{− 1}. What is the wavelength of the radio waves, in meters? c = 3 × 10⁸ m\s