College Physics
2nd Edition
ISBN: 9780134601823
Author: ETKINA, Eugenia, Planinšič, G. (gorazd), Van Heuvelen, Alan
Publisher: Pearson,
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Chapter 28, Problem 56P
To determine
The experimental evidence in support of the uncertainty principle.
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64. Protons can be accelerated to speeds near that of light in particle accelerators. Estimate the wavelength (in nm) of such a proton moving at 2.84×108 m/s(mass of a proton = 1.673×10−27 kg). Enter your answer in scientific notation.
Could you please give reasons for your choice of answers.
In which problem is the uncertainty principle coming handy? Mark more than one answer if necessary.
A. To find out that the nuclear force is spin dependent.
B. To find out how dark energy is made of.
C. To solve Borh's hydrogen atom.
D. To solve the range of the nuclear force.
E. To solve the eigenvalues of the harmonic oscillator using the Schrodinger equation.
1.What is the wavelength of an hydrogen atom moving with a mean velocity corresponding to the average kinetic energy of hydrogen atoms under thermal equilibrium at 293K?
2.The speed of an electron is measured to be 1 km/s with an accuracy of 0.005%. Estimate the uncertainty in the position of the particle
3.Determine the maximum wavelength shift in the Compton scattering of photons from protons
4.Calculate the de Broglie wavelength of electrons and protons if their kinetic energies are i) 1% and ii) 5% of their rest mass energies.
Chapter 28 Solutions
College Physics
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