A) can be localized. B) can be scattered. C) exchanges energy suddenly at a point in space. D) obeys the laws of conservation of energy and momentum in collisions. E) is described by all of the above. A) can be localized. B) can be scattered. C) exchanges energy suddenly at a point in space. D) obeys the laws of conservation of energy and momentum in collisions. E) is described by all of the above.

Exam 26: Quantum Physics and Atomic Structure

A photon of wavelength 80 nm is absorbed by the electron in the ground-state level of the hydrogen atom. Is this enough energy to ionize the atom? If so calculate the kinetic energy of the free electron.

(Multiple Choice)

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Question 41

The velocity of escape of photoelectrons

(Multiple Choice)

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Question 42

In the energy-level diagram, the line that corresponds to the longest wavelength in the Balmer series is

(Multiple Choice)

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Question 43

What is the energy difference between the transition with the longest wavelength and the transition with the shortest wavelength in the Balmer series?

(Multiple Choice)

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Question 44

This is an apparatus for studying the photoelectric effect. The work function of the material being investigated is 3.8 * 10^-19 J. Light of a wavelength 350 nm is incident on the material. What is the lowest voltage needed between the cathode C) and the anode A) to stop any electrons ejected from the cathode from reaching the anode?

(Multiple Choice)

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Question 45

A classical particle

(Multiple Choice)

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Question 46

The energy of a photon of visible light is on the order of

(Multiple Choice)

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Question 47

This is an apparatus for studying the photoelectric effect. The work function of the material being investigated is 3.5 *10^-19 J. The battery is set at 1.5 V. What is the longest wavelength of light needed to produce an electric current from the cathode C) to the anode A)?

(Multiple Choice)

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Question 48

The order-of-magnitude of the diameter of the nucleus is closest to

(Multiple Choice)

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Question 49

Light of wavelength 400 nm is incident on a certain metal. The stopping potential for the emitted electrons is measured to be 1.2 V. What is the work function of this metal? Planck's constant h = 6.626 × 10^-34 J · s = 4.136 × 10^-15 eV · s.)

(Multiple Choice)

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Question 50

The number of electrons in the L shell for the element whose electronic configuration is 1s²2s²2p⁶3s²3p²must be

(Multiple Choice)

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Question 51

Which of the following statements concerning particles and waves is/are correct?

(Multiple Choice)

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Question 52

The maximum wavelength for the photoemission of electrons from a metal surface depends on

(Multiple Choice)

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Question 53

Which of the following statements is/are true?

(Multiple Choice)

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Question 54

The symbol that represents the principal quantum number is

(Multiple Choice)

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Question 55

The wavelength of the visible line in the hydrogen spectrum that corresponds to m = 4 in the Balmer equation is

(Multiple Choice)

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Question 56

The energy of an electron in an atom is determined primarily by the quantum numbers

(Multiple Choice)

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Question 57

The photoelectric threshold of a certain metal is 310 nm. The maximum kinetic energy of electrons ejected from the surface of the metal by ultraviolet light of wavelength 200 nm is

(Multiple Choice)

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Question 58

The Davisson and Germer experiment verified that

(Multiple Choice)

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Question 59

If the work function of thoriated tungsten is 4 *10^-19 J, the longest wavelength of light that will cause photoelectrons to be emitted is approximately

(Multiple Choice)

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Question 60

Showing 41 - 60 of 167

Exam 26: Quantum Physics and Atomic Structure

A photon of wavelength 80 nm is absorbed by the electron in the ground-state level of the hydrogen atom. Is this enough energy to ionize the atom? If so calculate the kinetic energy of the free electron.

The velocity of escape of photoelectrons

In the energy-level diagram, the line that corresponds to the longest wavelength in the Balmer series is

What is the energy difference between the transition with the longest wavelength and the transition with the shortest wavelength in the Balmer series?

A classical particle

The energy of a photon of visible light is on the order of

This is an apparatus for studying the photoelectric effect. The work function of the material being investigated is 3.5 *10-19 J. The battery is set at 1.5 V. What is the longest wavelength of light needed to produce an electric current from the cathode C) to the anode A)?

The order-of-magnitude of the diameter of the nucleus is closest to

Light of wavelength 400 nm is incident on a certain metal. The stopping potential for the emitted electrons is measured to be 1.2 V. What is the work function of this metal? Planck's constant h = 6.626 × 10-34 J · s = 4.136 × 10-15 eV · s.)

The number of electrons in the L shell for the element whose electronic configuration is 1s22s22p63s23p2 must be

Which of the following statements concerning particles and waves is/are correct?

The maximum wavelength for the photoemission of electrons from a metal surface depends on

Which of the following statements is/are true?

The symbol that represents the principal quantum number is

The wavelength of the visible line in the hydrogen spectrum that corresponds to m = 4 in the Balmer equation is

The energy of an electron in an atom is determined primarily by the quantum numbers

The photoelectric threshold of a certain metal is 310 nm. The maximum kinetic energy of electrons ejected from the surface of the metal by ultraviolet light of wavelength 200 nm is

The Davisson and Germer experiment verified that

If the work function of thoriated tungsten is 4 *10-19 J, the longest wavelength of light that will cause photoelectrons to be emitted is approximately

Introduction to Physics

Linear Motion

Motion in Two and Three Dimensions

Forces and Motion I: Newtons Laws

Forces and Motion II: Applications

Work and Energy

Momentum, Collisions, and the Center of Mass

Rotational Motion

Elastic Properties of Matter: Stress and Strain

Gravitation

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Oscillations

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Thermodynamics I

Thermodynamics II

Electrostatics I: Electric Charge, Forces, and Fields

Electrostatics II: Electric Potential Energy and Electric Potential

Electric Charges in Motion

Magnetism

Electromagnetic Induction

Alternating-Current Circuits

Electromagnetic Waves

Wave Properties of Light

Geometrical Optics

Relativity

Nuclear Physics

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This is an apparatus for studying the photoelectric effect. The work function of the material being investigated is 3.5 *10^-19 J. The battery is set at 1.5 V. What is the longest wavelength of light needed to produce an electric current from the cathode C) to the anode A)?

Light of wavelength 400 nm is incident on a certain metal. The stopping potential for the emitted electrons is measured to be 1.2 V. What is the work function of this metal? Planck's constant h = 6.626 × 10^-34 J · s = 4.136 × 10^-15 eV · s.)

The number of electrons in the L shell for the element whose electronic configuration is 1s²2s²2p⁶3s²3p²must be

If the work function of thoriated tungsten is 4 *10^-19 J, the longest wavelength of light that will cause photoelectrons to be emitted is approximately