Question 1

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 4,there will be how many permitted orbital quantum numbers?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  16 
E)  ​32 
A)  2 
B)  4 
C)  8 
D)  16 
E)  ​32

Question 2

What is the wavelength of the line in the Balmer series of hydrogen that is comprised of transitions from the n = 5 to the n = 2 level? (R = 1.097 × 107 m−1 and 1 nm = 10−9 m)

Accepted Answer

A)  304 nm 
B)  434 nm 
C)  476 nm 
D)  95 nm 
E)  ​333 nm 
A)  304 nm 
B)  434 nm 
C)  476 nm 
D)  95 nm 
E)  ​333 nm

Question 3

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 7,there will be how many permitted orbital magnetic quantum numbers allowed?

Accepted Answer

A)  6 
B)  7 
C)  14 
D)  15 
E)  ​49 
A)  6 
B)  7 
C)  14 
D)  15 
E)  ​49

Question 4

The restriction that no more than one electron may occupy a given quantum state in an atom was first stated by which of the following scientists?

Accepted Answer

A)  Bohr 
B)  de Broglie 
C)  Heisenberg 
D)  Pauli 
A)  Bohr 
B)  de Broglie 
C)  Heisenberg 
D)  Pauli

Question 5

When a cool gas is placed between a glowing wire filament source and a diffraction grating,the resultant spectrum from the grating is which one of the following?

Accepted Answer

A)  line emission 
B)  line absorption 
C)  continuous 
D)  monochromatic 
A)  line emission 
B)  line absorption 
C)  continuous 
D)  monochromatic

Question 6

The stimulated emission of photons from the excited atoms in a gas laser is prompted by which of the following?

Accepted Answer

A)  high voltage 
B)  high flux of electrons 
C)  nearby presence of photons of same wavelength as those emitted 
D)  high temperature 
A)  high voltage 
B)  high flux of electrons 
C)  nearby presence of photons of same wavelength as those emitted 
D)  high temperature

Question 7

In contrast to Thomson's model of the atom,Rutherford's model:

Accepted Answer

A)  had the positive charge spread uniformly through the atom. 
B)  had the positive charge concentrated in a small region. 
C)  was first to explain atoms emitting discrete frequencies. 
D)  eliminated radiation from accelerating charges. 
A)  had the positive charge spread uniformly through the atom. 
B)  had the positive charge concentrated in a small region. 
C)  was first to explain atoms emitting discrete frequencies. 
D)  eliminated radiation from accelerating charges.

Question 8

The visible lines from hydrogen are all members of the:

Accepted Answer

A)  Lyman series. 
B)  Balmer series. 
C)  Paschen series. 
D)  Brackett series. 
A)  Lyman series. 
B)  Balmer series. 
C)  Paschen series. 
D)  Brackett series.

Question 9

The red light from a HeNe laboratory laser results from a transition in Ne.Determine the wavelength of the light given off if the energy difference between states is 2.29 eV.(h = 6.63 × 10−34 J⋅s,c = 3.00 × 108 m/s,1 eV = 1.60 × 10−19 J,and 1 nm = 10−9 m)

Accepted Answer

A)  181 nm 
B)  870 nm 
C)  544 nm 
D)  2840 nm 
E)  ​428 nm 
A)  181 nm 
B)  870 nm 
C)  544 nm 
D)  2840 nm 
E)  ​428 nm

Question 10

The quantum number that can have only two possible values is the:

Accepted Answer

A)  principal quantum number. 
B)  orbital quantum number. 
C)  orbital magnetic quantum number. 
D)  spin magnetic quantum number. 
A)  principal quantum number. 
B)  orbital quantum number. 
C)  orbital magnetic quantum number. 
D)  spin magnetic quantum number.

Question 11

In neon,the 20.80-eV level can undergo lasing action to the 17.43-eV level.What is the energy of the resulting photons?

Accepted Answer

A)  20.80 eV 
B)  17.43 eV 
C)  38.23 eV 
D)  3.370 eV 
E)  ​1.685 eV 
A)  20.80 eV 
B)  17.43 eV 
C)  38.23 eV 
D)  3.370 eV 
E)  ​1.685 eV

Exam 28: Atomic Physics

The quantum mechanical model of the hydrogen atom requires that if the principal quantum number = 4,there will be how many permitted orbital quantum numbers?

What is the wavelength of the line in the Balmer series of hydrogen that is comprised of transitions from the n = 5 to the n = 2 level? (R = 1.097 × 107 m−1 and 1 nm = 10−9 m)

The quantum mechanical model of the hydrogen atom requires that if the orbital quantum number = 7,there will be how many permitted orbital magnetic quantum numbers allowed?

The restriction that no more than one electron may occupy a given quantum state in an atom was first stated by which of the following scientists?

When a cool gas is placed between a glowing wire filament source and a diffraction grating,the resultant spectrum from the grating is which one of the following?

The stimulated emission of photons from the excited atoms in a gas laser is prompted by which of the following?

In contrast to Thomson's model of the atom,Rutherford's model:

The visible lines from hydrogen are all members of the:

The red light from a HeNe laboratory laser results from a transition in Ne.Determine the wavelength of the light given off if the energy difference between states is 2.29 eV.(h = 6.63 × 10−34 J⋅s,c = 3.00 × 108 m/s,1 eV = 1.60 × 10−19 J,and 1 nm = 10−9 m)

The quantum number that can have only two possible values is the:

In neon,the 20.80-eV level can undergo lasing action to the 17.43-eV level.What is the energy of the resulting photons?

Introduction

Introduction: Part A

Motion in One Dimension

Motion in One Dimension: Part A

Vectors and Two-Dimensional Motion

Vectors and Two-Dimensional Motion: Part A

The Laws of Motion

The Laws of Motion: Part A

Energy

Energy: Part A

Momentum and Collisions

Momentum and Collisions: Part A

Rotational Motion and the Law of Gravity

Rotational Motion and the Law of Gravity: Part A

Rotational Equilibrium and Rotational Dynamics

Rotational Equilibrium and Rotational Dynamics: Part A

Solids and Fluids

Solids and Fluids: Part A

Thermal Physics

Thermal Physics: Part A

Energy in Thermal Processes Heat and Internal Energy

Energy in Thermal Processes Heat and Internal Energy: Part A

The Laws of Thermodynamics Work in Thermodynamic Processes

The Laws of Thermodynamics Work in Thermodynamic Processes: Part A

Vibrations and Waves

Vibrations and Waves: Part A

Sound

Sound: Part A

Electric Forces and Electric Fields

Electric Forces and Electric Fields: Part A

Electrical Energy and Capacitance

Electrical Energy and Capacitance: Part A

Current and Resistance Electric Current

Current and Resistance Electric Current: Part A

Direct-Current Circuits Sources of EMF

Direct-Current Circuits Sources of EMF: Part A

Magnetism Magnets

Magnetism Magnets: Part A

Induced Voltages and Inductance

Induced Voltages and Inductance: Part A

Alternating-Current Circuits and Electromagnetic Waves

Alternating-Current Circuits and Electromagnetic Waves: Part A

Reflection and Refraction of Light

Reflection and Refraction of Light: Part A

Mirrors and Lenses

Mirrors and Lenses: Part A

Wave Optics

Wave Optics: Part A

Optical Instruments

Optical Instruments: Part A

Relativity

Relativity: Part A

Quantum Physics Blackbody Radiation and Plancks Hypothesis

Quantum Physics Blackbody Radiation and Plancks Hypothesis: Part A

Atomic Physics: Part A

Nuclear Physics

Nuclear Physics: Part A

Nuclear Energy and Elementary Particles

Nuclear Energy and Elementary Particles: Part A

Particle Collisions, Mediating Photons, and Quark Structures: Exploring the Fundamentals of Physics

Filters

What is the wavelength of the line in the Balmer series of hydrogen that is comprised of transitions from the n = 5 to the n = 2 level? (R = 1.097 × 10⁷ m−¹ and 1 nm = 10−⁹ m)

The red light from a HeNe laboratory laser results from a transition in Ne.Determine the wavelength of the light given off if the energy difference between states is 2.29 eV.(h = 6.63 × 10−³⁴ J⋅s,c = 3.00 × 10⁸ m/s,1 eV = 1.60 × 10−¹⁹ J,and 1 nm = 10−⁹ m)