Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
12th Edition
ISBN: 9781259587399
Author: Eugene Hecht
Publisher: McGraw-Hill Education
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Chapter 42, Problem 40SP
To determine
To show: That thede Broglie wavelength of an electron is
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What is the velocity of an electron with a deBroglie wavelength of 2.74 um ? Give your answer in m/s with no decimal places please.
What is the de Broglie wavelength of (a) an electron accelerated from rest by a potential difference of 54 V, and (b) a 10 g bullet moving at 400 m/s?
When an electron is accelerated through a potential difference Δφ it acquires a kinetic energy e Δφ. Calculate the momentum, and hence the de Broglie wavelength, of an electron accelerated from rest through (a) 1.00V, (b) 1.00 kV, (c) 100 kV.
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Schaum's Outline of College Physics, Twelfth Edition (Schaum's Outlines)
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- De Broglie postulated that the relationship ? = h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron having a kinetic energy of 2.98 MeV?arrow_forwardUsing the Broglie"s relationship, the velocity of an electron with a (mass e = 9.11×10-31 kg) having a wavelength of 700 nm is?arrow_forwardWhat is the de Broglie wavelength associated with (a) an electron moving with a speed of 5.4×106 m/s, and (b) a ball of mass 150 g travelling at 30.0 m/s?arrow_forward
- Calculate the wavelength in nm of electrons which have been accelerated from rest through a potential difference of 54V.arrow_forwardA proton is confined to a nucleus whose diameter is 5.5 × 10^−15 ?. If this distance is considered to be the uncertainty in the position of the proton, what is the minimum uncertainty in its momentum?arrow_forwardDe Broglie postulated that the relationship λ =h/p is valid for relativistic particles. What is the de Broglie wavelength for a (relativistic) electron having a kinetic energy of 3.00 MeV?arrow_forward
- What is the maximum kinetic energy of electrons knocked out of a thin copper foil by Compton scattering of an incident beam of 17.5 keV x rays? Assume the work function is negligible.arrow_forwardIf a particle weighs 7.61 kg and has a de Broglie wavelength of 2.06 x 10-39 m , what is its current velocity in km/s?arrow_forwardAn electron, starting from rest, accelerates through a potential difference of 26.0 V. What is the final de Broglie wavelength of the electron, assuming that its final speed is not relativistic?arrow_forward
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