Question 1

What does the term "black body" signify for an object?

Accepted Answer

A) The object is white hot. 
B) The object is black to human sight. 
C) The object absorbs and emits all wavelengths 
D) The object absorbs certain wavelengths of light preferentially. 
E) There is no significance to the name. 
A) The object is white hot. 
B) The object is black to human sight. 
C) The object absorbs and emits all wavelengths 
D) The object absorbs certain wavelengths of light preferentially. 
E) There is no significance to the name. C

Question 2

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

Accepted Answer

A) 2 m 
B) 2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1034 m 
C) 200 pm 
D) 2 pm 
A) 2 m 
B) 2 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1034 m 
C) 200 pm 
D) 2 pm B

Question 3

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side.What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

Accepted Answer

A) 510oC 
B) 780oC 
C) 1100oC 
D) 290oC 
E) 543oC 
A) 510oC 
B) 780oC 
C) 1100oC 
D) 290oC 
E) 543oC A

Question 4

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

Accepted Answer

A) Radio waves. 
B) Microwave radiation. 
C) Ultraviolet radiation. 
D) X - radiation. 
E) Gamma radiation. 
A) Radio waves. 
B) Microwave radiation. 
C) Ultraviolet radiation. 
D) X - radiation. 
E) Gamma radiation.

Question 5

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.True or false?

Accepted Answer

A) True 
 B)False

Question 6

The four F1F1F1S1F1F1F10 electrons of 1,3-butadiene can be modeled as particles in a box.If the length of 1,3-butadiene (L)is 0.56 nm,calculate the energy of the lowest energy transition.

Accepted Answer

9.6 F1F1F1

Question 7

Consider a one-dimensional particle in a box of length 2L and one of length 3L.Which of the following is true?

Accepted Answer

A) The energy levels n = 1 and n = 2 are closer together for the box of length 3L. 
B) The energy levels n = 1 and n = 2 are closer together for the box of length 2L. 
C) The energy levels for the box of length 3L are all higher than those for the box of length 2L. 
D) The zero-point energy of the two boxes is the same. 
E) The zero-point energy of the box of length 2L is smaller than that of the box of length 3L. 
A) The energy levels n = 1 and n = 2 are closer together for the box of length 3L. 
B) The energy levels n = 1 and n = 2 are closer together for the box of length 2L. 
C) The energy levels for the box of length 3L are all higher than those for the box of length 2L. 
D) The zero-point energy of the two boxes is the same. 
E) The zero-point energy of the box of length 2L is smaller than that of the box of length 3L.

Question 8

In a one-dimensional particle in a box,for F1F1F1S1F1F1F104,how many nodes are predicted?

Accepted Answer

A) 1 
B) 3 
C) 0 
D) 2 
E) 4 
A) 1 
B) 3 
C) 0 
D) 2 
E) 4

Question 9

Which of the following statements with respect to the photoelectric effect is incorrect?

Accepted Answer

A) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation has a slope that is equal to the value of the work function. 
B) All metals have a unique work function. 
C) The kinetic energy of the ejected electrons does not increase with the intensity of the incident radiation. 
D) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation is linear. 
A) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation has a slope that is equal to the value of the work function. 
B) All metals have a unique work function. 
C) The kinetic energy of the ejected electrons does not increase with the intensity of the incident radiation. 
D) A plot of the kinetic energy of the ejected electrons versus the frequency of the incident radiation is linear.

Question 10

What is the frequency,in Hz,of a photon with energy of 2.3 F1F1F1S1F1F1F10 10-17 J?

Accepted Answer

A) 3.4 F1F1F1S1F1F1F10 10-16  
B) 3.4 F1F1F1S1F1F1F10 1016  
C) 6.8 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1016  
D) 6.8 F1F1F1S1F1F1F10 1016  
E) 2.8 F1F1F1S1F1F1F10 10-15  
A) 3.4 F1F1F1S1F1F1F10 10-16  
B) 3.4 F1F1F1S1F1F1F10 1016  
C) 6.8 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1016  
D) 6.8 F1F1F1S1F1F1F10 1016  
E) 2.8 F1F1F1S1F1F1F10 10-15

Question 11

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

Accepted Answer

A) 0 
B) 3 
C) 1 
D) 12 
E) 6 
A) 0 
B) 3 
C) 1 
D) 12 
E) 6

Question 12

When radiation has a frequency of 6.9F1F1F1S1F1F1F101017 Hz,what is its wavelength?

Accepted Answer

A) 4.3F1F1F1S1F1F1F1010-10 m 
B) 3.4F1F1F1S1F1F1F1010-10 m 
C) 3.0F1F1F1S1F1F1F1010-8 m 
D) 2.3F1F1F1S1F1F1F1010-9 m 
E) 2.3F1F1F1S1F1F1F1010-8 nm 
A) 4.3F1F1F1S1F1F1F1010-10 m 
B) 3.4F1F1F1S1F1F1F1010-10 m 
C) 3.0F1F1F1S1F1F1F1010-8 m 
D) 2.3F1F1F1S1F1F1F1010-9 m 
E) 2.3F1F1F1S1F1F1F1010-8 nm

Question 13

Which of the following has the highest frequency?

Accepted Answer

A) Microwave radiation 
B) Infrared radiation 
C) Visible light 
D) Ultraviolet radiation 
E) X-rays 
A) Microwave radiation 
B) Infrared radiation 
C) Visible light 
D) Ultraviolet radiation 
E) X-rays

Question 14

Which of the following experiments most directly supports de Broglie's hypothesis of the wave nature of matter?

Accepted Answer

A) Black-body radiation 
B) The photoelectric effect 
C)    -particle scattering by a metal foil 
D) Electron diffraction by a crystal 
E) The emission spectrum of the hydrogen atom 
A) Black-body radiation 
B) The photoelectric effect 
C)    -particle scattering by a metal foil 
D) Electron diffraction by a crystal 
E) The emission spectrum of the hydrogen atom

Question 15

The ultraviolet range encompasses what wavelengths?

Accepted Answer

A) 100 - 450nm. 
B) 530 - 580 nm. 
C) 1 - 50 nm. 
D) 10 - 80 nm. 
E) 420 - 500 nm. 
A) 100 - 450nm. 
B) 530 - 580 nm. 
C) 1 - 50 nm. 
D) 10 - 80 nm. 
E) 420 - 500 nm.

Question 16

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

Accepted Answer

A) 182 nm 
B) 100 nm 
C) 122 nm 
D) 91.2 nm 
E) 1.00 nm 
A) 182 nm 
B) 100 nm 
C) 122 nm 
D) 91.2 nm 
E) 1.00 nm

Question 17

When radiation has a frequency of 5.2 F1F1F1S1F1F1F10 1012 Hz,what is its wavelength?

Accepted Answer

A) 5.8 F1F1F1S1F1F1F10 10-5 cm 
B) 1.7 F1F1F1S1F1F1F10 104 m 
C) 1.7 F1F1F1S1F1F1F10 10-4 m 
D) 5.8 F1F1F1S1F1F1F10 10-5 m 
E) 5.8 F1F1F1S1F1F1F10 105 m 
A) 5.8 F1F1F1S1F1F1F10 10-5 cm 
B) 1.7 F1F1F1S1F1F1F10 104 m 
C) 1.7 F1F1F1S1F1F1F10 10-4 m 
D) 5.8 F1F1F1S1F1F1F10 10-5 m 
E) 5.8 F1F1F1S1F1F1F10 105 m

Question 18

What is the energy in joules of a photon with a frequency of 5.6 F1F1F1S1F1F1F10 1014 Hz?

Accepted Answer

A) 3.7 F1F1F1S1F1F1F10 10-21  
B) 6.8 F1F1F1S1F1F1F10 1020  
C) 6.8 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1019  
D) 3.7 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1019  
E) 3.7 F1F1F1S1F1F1F10 1019  
A) 3.7 F1F1F1S1F1F1F10 10-21  
B) 6.8 F1F1F1S1F1F1F10 1020  
C) 6.8 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1019  
D) 3.7 F1F1F1S1F1F1F10 10F1F1F1S1F1F1F1019  
E) 3.7 F1F1F1S1F1F1F10 1019

Question 19

The first line (lowest energy)in the Balmer series appears at 15,233 cmF1F1F1S1F1F1F101.The second line appears at

Accepted Answer

A) 109,678 cmF1F1F1S1F1F1F101.  
B) 45,699 cmF1F1F1S1F1F1F101.  
C) 20,565 cmF1F1F1S1F1F1F101.  
D) 30,466 cmF1F1F1S1F1F1F101.  
E) 20,311 cmF1F1F1S1F1F1F101.  
A) 109,678 cmF1F1F1S1F1F1F101.  
B) 45,699 cmF1F1F1S1F1F1F101.  
C) 20,565 cmF1F1F1S1F1F1F101.  
D) 30,466 cmF1F1F1S1F1F1F101.  
E) 20,311 cmF1F1F1S1F1F1F101.

Question 20

Radiation with a frequency of 3.9F1F1F1S1F1F1F101014/sec has what wavelength?

Accepted Answer

A) 1.3F1F1F1S1F1F1F10106 m 
B) 7.7F1F1F1S1F1F1F1010-7 cm 
C) 7.7F1F1F1S1F1F1F1010-7 m 
D) 3.1F1F1F1S1F1F1F10106 m 
E) 1.3F1F1F1S1F1F1F10106 cm 
A) 1.3F1F1F1S1F1F1F10106 m 
B) 7.7F1F1F1S1F1F1F1010-7 cm 
C) 7.7F1F1F1S1F1F1F1010-7 m 
D) 3.1F1F1F1S1F1F1F10106 m 
E) 1.3F1F1F1S1F1F1F10106 cm

What does the term "black body" signify for an object?

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side.What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.True or false?

The four  electrons of 1,3-butadiene can be modeled as particles in a box.If the length of 1,3-butadiene (L)is 0.56 nm,calculate the energy of the lowest energy transition.

Consider a one-dimensional particle in a box of length 2L and one of length 3L.Which of the following is true?

In a one-dimensional particle in a box,for ₄,how many nodes are predicted?

Which of the following statements with respect to the photoelectric effect is incorrect?

What is the frequency,in Hz,of a photon with energy of 2.3  10^-17 J?

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

When radiation has a frequency of 6.910¹⁷ Hz,what is its wavelength?

Which of the following has the highest frequency?

Which of the following experiments most directly supports de Broglie's hypothesis of the wave nature of matter?

The ultraviolet range encompasses what wavelengths?

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

When radiation has a frequency of 5.2  10¹² Hz,what is its wavelength?

What is the energy in joules of a photon with a frequency of 5.6  10¹⁴ Hz?

The first line (lowest energy)in the Balmer series appears at 15,233 cm^¹.The second line appears at

Radiation with a frequency of 3.910¹⁴/sec has what wavelength?

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: the D Block

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Exam 1: The Quantum World

What does the term "black body" signify for an object?

Which of the following is expected to approximate the value of the wavelength of a 5-g bullet traveling at 1300 miles per hour?

The planet Mercury has a maximum intensity of solar radiation of 3700 nm on the sunlit side.What is the temperature of the surface of Mercury on the sunlit side? The empirical value of the constant in Wien's law is 2.9 K·mm.

Radiation with a wavelength of 2 - 10 pm is in what part of the electromagnetic spectrum?

The Balmer series of lines for the hydrogen atom are found only in the visible region of the spectrum.True or false?

The four  electrons of 1,3-butadiene can be modeled as particles in a box.If the length of 1,3-butadiene (L)is 0.56 nm,calculate the energy of the lowest energy transition.

Consider a one-dimensional particle in a box of length 2L and one of length 3L.Which of the following is true?

In a one-dimensional particle in a box,for 4,how many nodes are predicted?

Which of the following statements with respect to the photoelectric effect is incorrect?

What is the frequency,in Hz,of a photon with energy of 2.3  10-17 J?

In a one-dimensional particle in a box,for n = 6,how many wavelengths equal the size of the box?

When radiation has a frequency of 6.91017 Hz,what is its wavelength?

Which of the following has the highest frequency?

Which of the following experiments most directly supports de Broglie's hypothesis of the wave nature of matter?

The ultraviolet range encompasses what wavelengths?

What is the shortest-wavelength line in the emission spectrum of the hydrogen atom?

When radiation has a frequency of 5.2  1012 Hz,what is its wavelength?

What is the energy in joules of a photon with a frequency of 5.6  1014 Hz?

The first line (lowest energy)in the Balmer series appears at 15,233 cm1.The second line appears at

Radiation with a frequency of 3.91014/sec has what wavelength?

Quantum Mechanics in Action: Atoms

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: the First Law

Thermodynamics: the Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: the D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

In a one-dimensional particle in a box,for ₄,how many nodes are predicted?

What is the frequency,in Hz,of a photon with energy of 2.3  10^-17 J?

When radiation has a frequency of 6.910¹⁷ Hz,what is its wavelength?

When radiation has a frequency of 5.2  10¹² Hz,what is its wavelength?

What is the energy in joules of a photon with a frequency of 5.6  10¹⁴ Hz?

The first line (lowest energy)in the Balmer series appears at 15,233 cm^¹.The second line appears at

Radiation with a frequency of 3.910¹⁴/sec has what wavelength?