EBK INQUIRY INTO PHYSICS
8th Edition
ISBN: 8220103599450
Author: Ostdiek
Publisher: Cengage Learning US
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Chapter 10, Problem 7P
To determine
Speed of the electron.
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During a certain experiment, the de Broglie wavelength of an electron is 440 nm = 4.4 x 10-7 m, which is the same as the wavelength of violet light. How fast (in m/s) is the electron moving?
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An electron with a mass of 9.11 x 10–31 kg is accelerated to 25% the speed of light (c = 3.00 x 108 m/s). What is the de Broglie wavelength in picometers (pm) for this electron?
An electron is moving at 3.5 x 106 m/s. A photon of what wavelength would have the same momentum?
Chapter 10 Solutions
EBK INQUIRY INTO PHYSICS
Ch. 10 - Prob. 1SACh. 10 - Prob. 1OACh. 10 - Prob. 1PIPCh. 10 - Prob. 1MIOCh. 10 - Prob. 2MIOCh. 10 - Prob. 1QCh. 10 - Prob. 2QCh. 10 - Prob. 3QCh. 10 - Prob. 4QCh. 10 - Prob. 5Q
Ch. 10 - Prob. 6QCh. 10 - Prob. 7QCh. 10 - Prob. 8QCh. 10 - Prob. 9QCh. 10 - Prob. 10QCh. 10 - Prob. 11QCh. 10 - (Indicates a review question, which means it...Ch. 10 - Prob. 13QCh. 10 - Prob. 14QCh. 10 - (Indicates a review question, which means it...Ch. 10 - Prob. 16QCh. 10 - Prob. 17QCh. 10 - Prob. 18QCh. 10 - Prob. 19QCh. 10 - Prob. 20QCh. 10 - Prob. 21QCh. 10 - Prob. 22QCh. 10 - Prob. 23QCh. 10 - Prob. 24QCh. 10 - Prob. 25QCh. 10 - Prob. 26QCh. 10 - Prob. 27QCh. 10 - Prob. 28QCh. 10 - Prob. 29QCh. 10 - Prob. 30QCh. 10 - Prob. 31QCh. 10 - Prob. 32QCh. 10 - Prob. 33QCh. 10 - Prob. 34QCh. 10 - Prob. 35QCh. 10 - Prob. 36QCh. 10 - Prob. 37QCh. 10 - Prob. 38QCh. 10 - Prob. 39QCh. 10 - Prob. 40QCh. 10 - Prob. 41QCh. 10 - Prob. 42QCh. 10 - Prob. 1PCh. 10 - Prob. 2PCh. 10 - Prob. 3PCh. 10 - Prob. 4PCh. 10 - Prob. 5PCh. 10 - Prob. 6PCh. 10 - Prob. 7PCh. 10 - Prob. 8PCh. 10 - Prob. 9PCh. 10 - Prob. 10PCh. 10 - Prob. 11PCh. 10 - Prob. 12PCh. 10 - . Figure 10.47 is the energy-level diagram for a...Ch. 10 - Prob. 14PCh. 10 - Prob. 15PCh. 10 - Prob. 16PCh. 10 - Prob. 17PCh. 10 - Prob. 18PCh. 10 - Prob. 19PCh. 10 - Prob. 20PCh. 10 - Prob. 21PCh. 10 - Prob. 22PCh. 10 - Prob. 23PCh. 10 - Prob. 1CCh. 10 - Prob. 2CCh. 10 - The rate at which solar wind particles enter the...Ch. 10 - Prob. 4CCh. 10 - Prob. 5CCh. 10 - Prob. 6C
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- What is the de Brogue wavelength of an electron travelling at a speed of 5.0106 m/s ?arrow_forwardWhat is the de Brogue wavelength of an electron that is accelerated from rest through a potential difference of 20 keV?arrow_forwardWhat is the energy of a photon whose momentum is 3.01024 kg• m/s ?arrow_forward
- (a) What is the energy of an electron whose de Brogue wavelength is that of a photon of yellow light with wavelength 590 nm? (b) What is the de Brogue wavelength of an electron whose energy is that of the photon of yellow light?arrow_forwardAn X-ray tube has an applied voltage of 100 kV. (a) What is the most energetic X-ray photon it can produce? Express your answer in electron volts and joules. (b) Find the wavelength of such an X-ray.arrow_forwardAn electron in a box is in the ground state with energy 2.0 eV. (a) Find the width of the box. (b) How much energy is needed to excite the electron to its first excited state? (c) If the electron makes a transition from an excited state to the ground state with the simultaneous emission of 30.0-eV photon, find the quantum number of the excited state?arrow_forward
- At what velocity will an electron have a wavelength of 1.00 m?arrow_forwardWhat is the wavelength of (a) a 12-keV X-ray photon; (b) a 2.O-MeV y -ray photon?arrow_forward(a) Calculate the wavelength of a photon that has the same momentum as a proton moving with 1% of the speed of light in a vacuum. (b) What is the energy of this photon in MeV? (c) What is the kinetic energy of the proton in MeV?arrow_forward
- What is the wavelength of a photon that has the same momentum as an electron with a speed of 2.69 m/s? Please give your answer in milimeters.arrow_forwardDuring a certain experiment, the de Broglie wavelength of an electron is 650 nm = 6.5 x 10-7 m, which is the same as the wavelength of red light. How fast (in m/s) is the electron moving? m/sarrow_forwardDuring a certain experiment, the de Broglie wavelength of an electron is 470 nm = 4.7 ✕ 10^−7 m, which is the same as the wavelength of blue light. How fast (in m/s) is the electron moving? m/sarrow_forward
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