It is desired to obtain a diffraction pattern for electrons using a diffraction grating with lines separated by 10 nm. The mass of an electron is 9.11 × 10S1U1P1-S1S1P0S1U1P131S1S1P0 kg. -Suppose it is desired to observe diffraction effects for a beam of electromagnetic radiation using the same grating. Roughly, what is the required energy of the individual photons in the beam?

A) 10-6 eV B) 10-4 eV C) 10-2 eV D) 102 eV E) 104 eV A) 10-6 eV B) 10-4 eV C) 10-2 eV D) 102 eV E) 104 eV

The de Broglie wavelength of an electron (m = 9.11 × 10-31 kg) is 1.2 × 10-10 m. Determine the kinetic energy of the electron.

A) 1.5 × 10-15 J B) 1.6 × 10-16 J C) 1.7 × 10-17 J D) 1.8 × 10-18 J E) 1.9 × 10-19 J A) 1.5 × 10-15 J B) 1.6 × 10-16 J C) 1.7 × 10-17 J D) 1.8 × 10-18 J E) 1.9 × 10-19 J

In an experiment to determine the speed and position of an electron (m = 9.11 × 10-31 kg), three researchers claim to have measured the position of the electron to within ± 10-9 m. They reported the following values for the speed of the electron: Which of these measurements violates one or more basic laws of modern physics?

A) A only B) B only C) A and B D) B and C E) A, B, and C A) A only B) B only C) A and B D) B and C E) A, B, and C

What is the de Broglie wavelength of an electron (m = 9.11 × 10-31 kg) in a 2.5 × 103-volt X-ray tube?

A) 0.0072 nm B) 0.011 nm C) 0.017 nm D) 0.031 nm E) 0.025 nm A) 0.0072 nm B) 0.011 nm C) 0.017 nm D) 0.031 nm E) 0.025 nm

The Hubble Space Telescope has an orbital speed of 7.56 × 103 m/s and a mass of 11 600 kg. What is the de Broglie wavelength of the telescope?

A) 8.77 × 107 m B) 5.81 × 10-26 m C) 6.63 × 10-34 m D) 3.78 × 10-40 m E) 7.56 × 10-42 m A) 8.77 × 107 m B) 5.81 × 10-26 m C) 6.63 × 10-34 m D) 3.78 × 10-40 m E) 7.56 × 10-42 m

Exam 29: Particles and Waves

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A photon of wavelength 200 nm is scattered by an electron that is initially at rest. Which one of the following statements concerning the wavelength of the scattered photon is true?

(Multiple Choice)

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Question 41

It is desired to obtain a diffraction pattern for electrons using a diffraction grating with lines separated by 10 nm. The mass of an electron is 9.11 × 10^-³¹ kg. -Suppose it is desired to observe diffraction effects for a beam of electromagnetic radiation using the same grating. Roughly, what is the required energy of the individual photons in the beam?

(Multiple Choice)

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Question 42

The speed of a bullet with a mass of 0.050 kg is 420 m/s with an uncertainty of 0.010 %. What is the minimum uncertainty in the bullet's position if it is measured at the same time as the speed is measured?

(Multiple Choice)

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Question 43

For which one of the following problems did Max Planck make contributions that eventually led to the development of the "quantum" hypothesis?

(Multiple Choice)

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Question 44

Which experimental evidence confirms the hypothesis that matter exhibits wave properties?

(Multiple Choice)

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Question 45

Which one of the following phrases best describes the term work function?

(Multiple Choice)

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Question 46

The work function for a particular metal is 4.0 eV. Which one of the following best describes the wavelength of electromagnetic radiation needed to eject electrons from this metal?

(Multiple Choice)

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Question 47

The de Broglie wavelength of an electron (m = 9.11 × 10^-³¹ kg) is 1.2 × 10^-¹⁰ m. Determine the kinetic energy of the electron.

(Multiple Choice)

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Question 48

In an experiment to determine the speed and position of an electron (m = 9.11 × 10^-³¹ kg), three researchers claim to have measured the position of the electron to within ± 10^-⁹ m. They reported the following values for the speed of the electron: Which of these measurements violates one or more basic laws of modern physics?

(Multiple Choice)

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Question 49

Determine the energy of a single photon in a monochromatic beam of light of wavelength 625 nm.

(Multiple Choice)

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Question 50

A photon has a collision with a stationary electron (h/mc = 2.43 × 10^-¹² m) and loses 5.0% of its energy. The photon scattering angle is 180°. What is the wavelength of the incident photon in this scattering process?

(Multiple Choice)

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Question 51

What is the de Broglie wavelength of an electron (m = 9.11 × 10^-³¹ kg) in a 2.5 × 10³-volt X-ray tube?

(Multiple Choice)

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Question 52

Approximately, what is the de Broglie wavelength of an electron that has been accelerated through a potential difference of 225 V? The mass of an electron is 9.11 × 10^-³¹ kg.

(Multiple Choice)

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Question 53

The Hubble Space Telescope has an orbital speed of 7.56 × 10³ m/s and a mass of 11 600 kg. What is the de Broglie wavelength of the telescope?

(Multiple Choice)

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Question 54

Showing 41 - 54 of 54

Exam 29: Particles and Waves

A photon of wavelength 200 nm is scattered by an electron that is initially at rest. Which one of the following statements concerning the wavelength of the scattered photon is true?

The speed of a bullet with a mass of 0.050 kg is 420 m/s with an uncertainty of 0.010 %. What is the minimum uncertainty in the bullet's position if it is measured at the same time as the speed is measured?

For which one of the following problems did Max Planck make contributions that eventually led to the development of the "quantum" hypothesis?

Which experimental evidence confirms the hypothesis that matter exhibits wave properties?

Which one of the following phrases best describes the term work function?

The work function for a particular metal is 4.0 eV. Which one of the following best describes the wavelength of electromagnetic radiation needed to eject electrons from this metal?

The de Broglie wavelength of an electron (m = 9.11 × 10-31 kg) is 1.2 × 10-10 m. Determine the kinetic energy of the electron.

Determine the energy of a single photon in a monochromatic beam of light of wavelength 625 nm.

A photon has a collision with a stationary electron (h/mc = 2.43 × 10-12 m) and loses 5.0% of its energy. The photon scattering angle is 180°. What is the wavelength of the incident photon in this scattering process?

What is the de Broglie wavelength of an electron (m = 9.11 × 10-31 kg) in a 2.5 × 103-volt X-ray tube?

Approximately, what is the de Broglie wavelength of an electron that has been accelerated through a potential difference of 225 V? The mass of an electron is 9.11 × 10-31 kg.

The Hubble Space Telescope has an orbital speed of 7.56 × 103 m/s and a mass of 11 600 kg. What is the de Broglie wavelength of the telescope?

Introduction and Mathematical Concepts

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The Refl Ection of Light: Mirrors

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The de Broglie wavelength of an electron (m = 9.11 × 10^-³¹ kg) is 1.2 × 10^-¹⁰ m. Determine the kinetic energy of the electron.

A photon has a collision with a stationary electron (h/mc = 2.43 × 10^-¹² m) and loses 5.0% of its energy. The photon scattering angle is 180°. What is the wavelength of the incident photon in this scattering process?

What is the de Broglie wavelength of an electron (m = 9.11 × 10^-³¹ kg) in a 2.5 × 10³-volt X-ray tube?

Approximately, what is the de Broglie wavelength of an electron that has been accelerated through a potential difference of 225 V? The mass of an electron is 9.11 × 10^-³¹ kg.

The Hubble Space Telescope has an orbital speed of 7.56 × 10³ m/s and a mass of 11 600 kg. What is the de Broglie wavelength of the telescope?