Question 1

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 2

Which of the following statements is incorrect?

Accepted Answer

A) For a one-dimensional particle in a box,as the mass of the particle becomes larger the separation between neighboring energy levels increases. 
B) For a one-dimensional particle in a box,the separation between neighboring energy levels increases as the length of the container increases. 
C) For a one-dimensional particle in a box,the energy separation between neighboring energy levels has the value h2/8mL2 when the walls of the box are infinitely far apart. 
D) Argon atoms in a cylinder can be treated as though their translational energy were quantized. 
E) A billiard ball on a table has a completely negligible zero-point energy. 
A) For a one-dimensional particle in a box,as the mass of the particle becomes larger the separation between neighboring energy levels increases. 
B) For a one-dimensional particle in a box,the separation between neighboring energy levels increases as the length of the container increases. 
C) For a one-dimensional particle in a box,the energy separation between neighboring energy levels has the value h2/8mL2 when the walls of the box are infinitely far apart. 
D) Argon atoms in a cylinder can be treated as though their translational energy were quantized. 
E) A billiard ball on a table has a completely negligible zero-point energy.

Question 3

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

Accepted Answer

A) 3.7 * 10-21  
B) 6.8 * 1020  
C) 6.8 * 10-19  
D) 3.7 *10-19  
E) 3.7 * 1019  
A) 3.7 * 10-21  
B) 6.8 * 1020  
C) 6.8 * 10-19  
D) 3.7 *10-19  
E) 3.7 * 1019

Question 4

A photon with a frequency of 1.2 * 1015 Hz has what energy?

Accepted Answer

A) 8.0 * 10-19  
B) 1.0 * 10-19  
C) 8.0 * 1019  
D) 5.5 *10-49  
E) 5.5 * 1049  
A) 8.0 * 10-19  
B) 1.0 * 10-19  
C) 8.0 * 1019  
D) 5.5 *10-49  
E) 5.5 * 1049

Question 5

What is the frequency of yellow light with a wavelength of 580 nm?

Accepted Answer

A) 5.2 * 1016 Hz 
B) 1.9 * 10-17 Hz 
C) 5.2 * 1014 Hz 
D) 5.2 * 1012 Hz 
E) 1.9 * 10-15 Hz 
A) 5.2 * 1016 Hz 
B) 1.9 * 10-17 Hz 
C) 5.2 * 1014 Hz 
D) 5.2 * 1012 Hz 
E) 1.9 * 10-15 Hz

Question 6

What magnitude of wavelength and frequency does X-radiation have?

Accepted Answer

A) Small wavelength and low frequency. 
B) Small wavelength and high frequency. 
C) Large wavelength and low frequency. 
D) Large wavelength and high frequency. 
E) Wavelength almost the same as that in visible light. 
A) Small wavelength and low frequency. 
B) Small wavelength and high frequency. 
C) Large wavelength and low frequency. 
D) Large wavelength and high frequency. 
E) Wavelength almost the same as that in visible light.

Question 7

Which of the following statements regarding electromagnetic radiation is true?

Accepted Answer

A) Electromagnetic radiation with a wavelength of 800 nm is in the ultraviolet range. 
B) Electromagnetic radiation with a wavelength of 900 nm is in the visible light range. 
C) Electromagnetic radiation with a wavelength of 400 nm is in the visible light range. 
D) Electromagnetic radiation with a wavelength of 600 nm is in the ultraviolet range. 
E) Electromagnetic radiation with a wavelength of 600 nm is in the visible light range. 
A) Electromagnetic radiation with a wavelength of 800 nm is in the ultraviolet range. 
B) Electromagnetic radiation with a wavelength of 900 nm is in the visible light range. 
C) Electromagnetic radiation with a wavelength of 400 nm is in the visible light range. 
D) Electromagnetic radiation with a wavelength of 600 nm is in the ultraviolet range. 
E) Electromagnetic radiation with a wavelength of 600 nm is in the visible light range.

Question 8

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

Accepted Answer

A) 1.3 *106 m 
B) 7.7*10-7 cm 
C) 7.7*10-7 m 
D) 3.1*106 m 
E) 1.3*106 cm 
A) 1.3 *106 m 
B) 7.7*10-7 cm 
C) 7.7*10-7 m 
D) 3.1*106 m 
E) 1.3*106 cm

Question 9

What is the wavelength of radiation that has a frequency of 4.9 x 1013 /sec?

Accepted Answer

A) 6.1 * 10-6 m 
B) 6.1 * 10-6 cm 
C) 6.1 * 106 m 
D) 1.6 * 105 m 
E) 1.6 * 10-5 m 
A) 6.1 * 10-6 m 
B) 6.1 * 10-6 cm 
C) 6.1 * 106 m 
D) 1.6 * 105 m 
E) 1.6 * 10-5 m

Question 10

The Bohr radius for an electron in the ground state of a hydrogen atom is 52.9 pm.The Bohr radius for an electron in the n = 2 state of He+ is

Accepted Answer

A) 211.6 pm. 
B) 105.8 pm. 
C) 26.5 pm. 
D) 52.9 pm. 
E) 13.2 pm. 
A) 211.6 pm. 
B) 105.8 pm. 
C) 26.5 pm. 
D) 52.9 pm. 
E) 13.2 pm.

Question 11

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

Accepted Answer

A) True 
 B)False

Question 12

If radiation has a frequency of 3.1 * 1016 sec-1,what is its wavelength?

Accepted Answer

A) 1.0 * 108 cm 
B) 1.0 * 10-8 cm 
C) 1.0 * 108 m 
D) 1.0 * 10-8 m 
E) 3.0 * 10-8 m 
A) 1.0 * 108 cm 
B) 1.0 * 10-8 cm 
C) 1.0 * 108 m 
D) 1.0 * 10-8 m 
E) 3.0 * 10-8 m

Question 13

Radiation with a wavelength of 2.2 mm is most likely in what part of the electromagnetic spectrum?

Accepted Answer

A) Cosmic rays. 
B) X - rays. 
C) Microwaves. 
D) Ultraviolet radiation. 
E) Gamma radiation. 
A) Cosmic rays. 
B) X - rays. 
C) Microwaves. 
D) Ultraviolet radiation. 
E) Gamma radiation.

Question 14

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

Question 15

If a photon has an energy of 4.0 * 10-16 J,what will its frequency be,in Hz?

Accepted Answer

A) 6.0 * 1017  
B) 6.0 * 1016  
C) 3.9 * 1017  
D) 1.8 * 10-17  
E) 1.3 * 1020  
A) 6.0 * 1017  
B) 6.0 * 1016  
C) 3.9 * 1017  
D) 1.8 * 10-17  
E) 1.3 * 1020

Question 16

What is the energy of a photon with a frequency of 3.8 * 1014 Hz?

Accepted Answer

A) 1.5 * 10-15J 
B) 3.8 * 1014J 
C) 8.3 * 10-14J 
D) 3.8 * 10-19J 
E) 1.5 *10-15J  
A) 1.5 * 10-15J 
B) 3.8 * 1014J 
C) 8.3 * 10-14J 
D) 3.8 * 10-19J 
E) 1.5 *10-15J

Question 17

Estimate the minimum uncertainty in the position of an electron of mass 9.109 * 10-31 kg,given that its speed is unknown to within ±3.00 * 105m·s-1.

Accepted Answer

A) 386 pm 
B) 386 *10-12 m 
C) 193 pm 
D) 1.93 * 10-12 
A) 386 pm 
B) 386 *10-12 m 
C) 193 pm 
D) 1.93 * 10-12

Question 18

What is the energy of a mole of photons with a frequency of 6.9 * 1014 Hz?

Accepted Answer

A) 2.8 * 105J/mol 
B) 8.3 * 104J/mol 
C) 8.3 * 10-4J/mol 
D) 3.8 * 106J/mol 
E) 2.8 * 10-6J/mol 
A) 2.8 * 105J/mol 
B) 8.3 * 104J/mol 
C) 8.3 * 10-4J/mol 
D) 3.8 * 106J/mol 
E) 2.8 * 10-6J/mol

Question 19

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 20

A mole of photons with a frequency of 7.5 * 1016 Hz has what energy?

Accepted Answer

A) 3.0 * 10-7J/mol 
B) 4.2 * 106J/mol 
C) 3.3 * 10-8J/mol 
D) 3.0 * 107J/mol 
E) 3.3 * 108J/mol  
A) 3.0 * 10-7J/mol 
B) 4.2 * 106J/mol 
C) 3.3 * 10-8J/mol 
D) 3.0 * 107J/mol 
E) 3.3 * 108J/mol

Which of the following has the highest frequency?

Which of the following statements is incorrect?

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

A photon with a frequency of 1.2 * 10¹⁵ Hz has what energy?

What is the frequency of yellow light with a wavelength of 580 nm?

What magnitude of wavelength and frequency does X-radiation have?

Which of the following statements regarding electromagnetic radiation is true?

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

What is the wavelength of radiation that has a frequency of 4.9 x 10¹³ /sec?

The Bohr radius for an electron in the ground state of a hydrogen atom is 52.9 pm.The Bohr radius for an electron in the n = 2 state of He⁺ is

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

If radiation has a frequency of 3.1 * 10¹⁶ sec^-1,what is its wavelength?

Radiation with a wavelength of 2.2 mm is most likely in what part of the electromagnetic spectrum?

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.

If a photon has an energy of 4.0 * 10^-16 J,what will its frequency be,in Hz?

What is the energy of a photon with a frequency of 3.8 * 10¹⁴ Hz?

Estimate the minimum uncertainty in the position of an electron of mass 9.109 * 10^-³¹ kg,given that its speed is unknown to within ±3.00 * 10⁵m·s^-¹.

What is the energy of a mole of photons with a frequency of 6.9 * 10¹⁴ Hz?

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

A mole of photons with a frequency of 7.5 * 10¹⁶ Hz has what energy?

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

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Exam 1: The Quantum World

Which of the following has the highest frequency?

Which of the following statements is incorrect?

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

A photon with a frequency of 1.2 * 1015 Hz has what energy?

What is the frequency of yellow light with a wavelength of 580 nm?

What magnitude of wavelength and frequency does X-radiation have?

Which of the following statements regarding electromagnetic radiation is true?

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

What is the wavelength of radiation that has a frequency of 4.9 x 1013 /sec?

The Bohr radius for an electron in the ground state of a hydrogen atom is 52.9 pm.The Bohr radius for an electron in the n = 2 state of He+ is

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

If radiation has a frequency of 3.1 * 1016 sec-1,what is its wavelength?

Radiation with a wavelength of 2.2 mm is most likely in what part of the electromagnetic spectrum?

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.

If a photon has an energy of 4.0 * 10-16 J,what will its frequency be,in Hz?

What is the energy of a photon with a frequency of 3.8 * 1014 Hz?

Estimate the minimum uncertainty in the position of an electron of mass 9.109 * 10-31 kg,given that its speed is unknown to within ±3.00 * 105m·s-1.

What is the energy of a mole of photons with a frequency of 6.9 * 1014 Hz?

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

A mole of photons with a frequency of 7.5 * 1016 Hz has what energy?

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

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

A photon with a frequency of 1.2 * 10¹⁵ Hz has what energy?

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

What is the wavelength of radiation that has a frequency of 4.9 x 10¹³ /sec?

The Bohr radius for an electron in the ground state of a hydrogen atom is 52.9 pm.The Bohr radius for an electron in the n = 2 state of He⁺ is

If radiation has a frequency of 3.1 * 10¹⁶ sec^-1,what is its wavelength?

If a photon has an energy of 4.0 * 10^-16 J,what will its frequency be,in Hz?

What is the energy of a photon with a frequency of 3.8 * 10¹⁴ Hz?

Estimate the minimum uncertainty in the position of an electron of mass 9.109 * 10^-³¹ kg,given that its speed is unknown to within ±3.00 * 10⁵m·s^-¹.

What is the energy of a mole of photons with a frequency of 6.9 * 10¹⁴ Hz?

A mole of photons with a frequency of 7.5 * 10¹⁶ Hz has what energy?