If the potential energy of an electron in the Bohr model is -U0, then the kinetic energy and the total energy of the electron are, respectively,

A) U0 and 0.5U0. B) 0.5U0 and -0.5U0. C) 0.5U0 and 0.5U0. D) U0 and -0.5U0. E) 0.5U0 and U0. A) U0 and 0.5U0. B) 0.5U0 and -0.5U0. C) 0.5U0 and 0.5U0. D) U0 and -0.5U0. E) 0.5U0 and U0.

Exam 26: Quantum Physics and Atomic Structure

The radius of the n = 1 orbit in the hydrogen atom is 0.053 nm. What is the radius of the n = 3 orbit of a singly charged lithium, which has three protons in its nucleus?

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Question 101

6 eV. The binding energy of the second n = 2) level of the hydrogen atom is

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Question 102

The maximum kinetic energy of photoelectrons produced in the photoelectric effect depends directly on the

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Question 103

In the Bohr model of the hydrogen atom, what is the magnitude of the potential energy of an electron in the n = 11 orbit? The radius of the first Bohr orbit is 0.0529 nm.)

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Question 104

A gamma-ray photon is back scattered at an angle of 180° after a collision with an electron. If the scattered photon has energy 150 keV, what was the energy of the initial photon?

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Question 105

Consider a beryllium z = 4) ion with all but one of its electrons removed. What is the kinetic energy of the electron in the n = 1 orbit. The radius of the first Bohr orbit in Be³⁺ is 0.0132 nm.)

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Question 106

If the potential energy of an electron in the Bohr model is -U₀, then the kinetic energy and the total energy of the electron are, respectively,

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Question 107

A Compton-scattered x-ray photon has less energy than the incident photon. The scattered photon therefore

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Question 108

What is the difference in wavelength between the longest wavelength in the Lyman series and that of the longest wavelength in the Paschen series?

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Question 109

A gamma-ray photon of energy 800 keV scatters off an electron at an angle perpendicular to its original direction. It then scatters off a second electron such that this secondary scattered photon continues in the direction of the original photon. Calculate the energy difference between the initial and final photon.

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Question 110

Photons with an energy of 7.52 eV strike a material that has a work function of 4.22 eV. The maximum kinetic energy of the electron emitted from this material is

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Question 111

The Pauli exclusion principle states that no two electrons in the same atom can have the same set of quantum numbers. This set of quantum numbers is

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Question 112

Which of the following particles has the longest wavelength?

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Question 113

For the principal quantum number n = 4, the total number of values the magnetic quantum number m can have is

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Question 114

What is the magnitude of the change in potential energy for the electron in the hydrogen atom as it moves from the n = 2 to n = 3 orbit? The radius of the first Bohr orbit is 0.0529 nm.)

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Question 115

The speed of an electron whose de Broglie wavelength is 0.0010 m is approximately

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Question 116

The electron configuration of neon Z = 10) is

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Question 117

If a baseball, an electron, and a photon all have the same momentum, which has the longest wavelength?

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Question 118

The fact that particles have a wave nature was first verified by

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Question 119

The pupil area of the human eye is ~ 1 × 10^-5 m². The minimum light intensity that the eye is sensitive to is ~ 1 × 10^-10 Wm^-2. How many photons per second of wavelength 550 nm does this correspond to?

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Question 120

Showing 101 - 120 of 167

Exam 26: Quantum Physics and Atomic Structure

The radius of the n = 1 orbit in the hydrogen atom is 0.053 nm. What is the radius of the n = 3 orbit of a singly charged lithium, which has three protons in its nucleus?

6 eV. The binding energy of the second n = 2) level of the hydrogen atom is

The maximum kinetic energy of photoelectrons produced in the photoelectric effect depends directly on the

In the Bohr model of the hydrogen atom, what is the magnitude of the potential energy of an electron in the n = 11 orbit? The radius of the first Bohr orbit is 0.0529 nm.)

A gamma-ray photon is back scattered at an angle of 180° after a collision with an electron. If the scattered photon has energy 150 keV, what was the energy of the initial photon?

Consider a beryllium z = 4) ion with all but one of its electrons removed. What is the kinetic energy of the electron in the n = 1 orbit. The radius of the first Bohr orbit in Be3+ is 0.0132 nm.)

If the potential energy of an electron in the Bohr model is -U0, then the kinetic energy and the total energy of the electron are, respectively,

A Compton-scattered x-ray photon has less energy than the incident photon. The scattered photon therefore

What is the difference in wavelength between the longest wavelength in the Lyman series and that of the longest wavelength in the Paschen series?

Photons with an energy of 7.52 eV strike a material that has a work function of 4.22 eV. The maximum kinetic energy of the electron emitted from this material is

The Pauli exclusion principle states that no two electrons in the same atom can have the same set of quantum numbers. This set of quantum numbers is

Which of the following particles has the longest wavelength?

For the principal quantum number n = 4, the total number of values the magnetic quantum number m can have is

What is the magnitude of the change in potential energy for the electron in the hydrogen atom as it moves from the n = 2 to n = 3 orbit? The radius of the first Bohr orbit is 0.0529 nm.)

The speed of an electron whose de Broglie wavelength is 0.0010 m is approximately

The electron configuration of neon Z = 10) is

If a baseball, an electron, and a photon all have the same momentum, which has the longest wavelength?

The fact that particles have a wave nature was first verified by

The pupil area of the human eye is ~ 1 × 10-5 m2. The minimum light intensity that the eye is sensitive to is ~ 1 × 10-10 Wm-2. How many photons per second of wavelength 550 nm does this correspond to?

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Elastic Properties of Matter: Stress and Strain

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Consider a beryllium z = 4) ion with all but one of its electrons removed. What is the kinetic energy of the electron in the n = 1 orbit. The radius of the first Bohr orbit in Be³⁺ is 0.0132 nm.)

If the potential energy of an electron in the Bohr model is -U₀, then the kinetic energy and the total energy of the electron are, respectively,

The pupil area of the human eye is ~ 1 × 10^-5 m². The minimum light intensity that the eye is sensitive to is ~ 1 × 10^-10 Wm^-2. How many photons per second of wavelength 550 nm does this correspond to?