General Physics, 2nd Edition
2nd Edition
ISBN: 9780471522782
Author: Morton M. Sternheim
Publisher: WILEY
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Chapter 26, Problem 9E
(a)
To determine
The energy for
(b)
To determine
The energy for
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X rays with a wavelength of 0.0700 nm diffract from a crystal. Two adjacent angles of x-ray diffraction are 45.6° and 21.0°. What is the distance in nm between the atomic planes responsible for the diffraction?
A sheet of metal is illuminated by photons with a wavelength of 325 nm and the emitted electrons are found to have a maximum kinetic energy of 1.25 eV. If the same metal is illuminated by 225 nm light, what will be the maximum speed of emitted electrons? Give your answer in km/s to 3 significant digits.
An x-ray tube has an applied voltage of 495 kv.
(a) What is the most energetic x-ray photon it can produce? Express your answer in electron volts.
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Chapter 26 Solutions
General Physics, 2nd Edition
Ch. 26 - Prob. 1RQCh. 26 - Prob. 2RQCh. 26 - Prob. 3RQCh. 26 - Prob. 4RQCh. 26 - Prob. 5RQCh. 26 - Prob. 6RQCh. 26 - Prob. 7RQCh. 26 - Prob. 1ECh. 26 - Prob. 2ECh. 26 - Prob. 3E
Ch. 26 - Prob. 4ECh. 26 - Prob. 5ECh. 26 - Prob. 6ECh. 26 - Prob. 7ECh. 26 - Prob. 8ECh. 26 - Prob. 9ECh. 26 - Prob. 10ECh. 26 - Prob. 11ECh. 26 - Prob. 12ECh. 26 - Prob. 13ECh. 26 - Prob. 14ECh. 26 - Prob. 15ECh. 26 - Prob. 16ECh. 26 - Prob. 17ECh. 26 - Prob. 18ECh. 26 - Prob. 19ECh. 26 - Prob. 20ECh. 26 - Prob. 21ECh. 26 - Prob. 22ECh. 26 - Prob. 23ECh. 26 - Prob. 24ECh. 26 - Prob. 25ECh. 26 - Prob. 26ECh. 26 - Prob. 27ECh. 26 - Prob. 28ECh. 26 - Prob. 29ECh. 26 - Prob. 30ECh. 26 - Prob. 31ECh. 26 - Prob. 32ECh. 26 - Prob. 33ECh. 26 - Prob. 34E
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- What is the momentum of a 589-nm yellow photon?arrow_forwardA beam of UV light with a wavelength of 197 nm falls onto a metal cathode. The stopping potential necessary to stop any electrons from reaching the anode is 2.08 V. What is the work function (W) of the cathode surface measured in eV?arrow_forwardBarium has a work function of 2.48 eV. What is the maximum kinetic energy of electrons if the metal is illuminated by UV light of wavelength 375 nm? What is their speed?arrow_forward
- An x-ray tube has an applied voltage of 540 kV. (a) What is the most energetic x-ray photon it can produce? Express your answer in electron volts. (b)Find the wavelength (in nm) of such an x-ray.arrow_forwardAn x-ray photon with wavelength 15.0 pm is scattered at 84.0° by an electron. What is the wavelength of the scattered photon?arrow_forwardWhat is the energy in eV and wavelength in µm of a photon that, when absorbed by a hydrogen atom, could cause a transition from the n = 4 to the n = 6 energy level? (a) energy in eV? (b) wavelength in µm?arrow_forward
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