Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN: 9781337553292
Author: Raymond A. Serway, John W. Jewett
Publisher: Cengage Learning
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Chapter 39, Problem 46AP
(a)
To determine
De Broglie wavelength of neutron having kinetic energy
(b)
To determine
Check whether the answer of part (a) is comparable with the interatomic spacing of crystal.
(c)
To determine
Check whether the thermal neutrons can exhibit diffraction effects in crystal or not.
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Chapter 39 Solutions
Physics for Scientists and Engineers with Modern Physics
Ch. 39.1 - Prob. 39.1QQCh. 39.2 - Prob. 39.2QQCh. 39.2 - Prob. 39.3QQCh. 39.2 - Prob. 39.4QQCh. 39.3 - Prob. 39.5QQCh. 39.5 - Prob. 39.6QQCh. 39.6 - Prob. 39.7QQCh. 39 - Prob. 1PCh. 39 - Prob. 2PCh. 39 - Prob. 3P
Ch. 39 - Prob. 4PCh. 39 - Prob. 5PCh. 39 - Prob. 6PCh. 39 - Prob. 8PCh. 39 - Prob. 9PCh. 39 - Prob. 10PCh. 39 - Prob. 11PCh. 39 - Prob. 12PCh. 39 - Prob. 13PCh. 39 - Prob. 15PCh. 39 - Prob. 16PCh. 39 - Prob. 17PCh. 39 - Prob. 18PCh. 39 - Prob. 19PCh. 39 - Prob. 20PCh. 39 - Prob. 22PCh. 39 - Prob. 23PCh. 39 - Prob. 24PCh. 39 - Prob. 25PCh. 39 - Prob. 26PCh. 39 - Prob. 27PCh. 39 - Prob. 30PCh. 39 - Prob. 31PCh. 39 - Prob. 32PCh. 39 - Prob. 33PCh. 39 - Prob. 35PCh. 39 - Prob. 37PCh. 39 - Prob. 38PCh. 39 - Prob. 39PCh. 39 - Prob. 40APCh. 39 - Prob. 41APCh. 39 - Prob. 43APCh. 39 - Prob. 44APCh. 39 - Prob. 45APCh. 39 - Prob. 46APCh. 39 - Prob. 47CPCh. 39 - Prob. 48CPCh. 39 - Prob. 49CPCh. 39 - Prob. 50CP
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- A neutron of mass 1.675 × 10-27 kg has a de Broglie wavelength of 7.8x10-12 m. What is the kinetic energy (in eV) of this non-relativistic neutron? Please give your answer with two decimal places. 1 eV = 1.60 × 10-19 J, h = 6.626 × 10-34 J ∙ s.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_forwardIn some scattering experiments, the speed of the particles is tuned so that their de Broglie wavelength has a specific value. If a wavelength of 0.117 nm is required, how fast must a neutron be traveling to achieve this wavelength?arrow_forward
- De 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_forwardCalculate the kinetic energy (in eV) of a nonrelativistic neutron that has a de Broglie wavelength of 7.9×10-12 m (h = 6.626 × 10-34 J ∙ s, mneutron = 1.675 × 10-27 kg, 1 eV = 1.60 × 10-19 J)arrow_forwardThe least massive particle known to exist is the electron neutrino. Though scientists once believed that it had no mass, like the photon, they have now determined that this particle has an extremely low mass, equivalent to a few electron volts. Assuming a mass of 2.2 eV/c2 (or 3.9 × 10-36 kg) and a speed of 4.4 × 106 m/s, which of the following values equals the neutrino’s de Broglie wavelength? a. 3.8 × 10-5 m b. 4.7 × 10-7m c. 1.7 × 10-10m d. 8.9 × 10-14marrow_forward
- A ball is thrown with a velocity of 15 m/s. If the de Broglie wavelength of the ball is 9.0 E −33 m, what is the mass of the ball? a 0.5 kg b 0.7 kg c 0.9 kg d 1.1 kgarrow_forwarda. The kinetic energy of an electron is (0+1.5)keV. Find the de Broglie wavelength and momentum of the electron. b. A photon of wavelength (0+ 22) x 10-12 mis collided with an electron from a carbon block and the scattered photon is detected at (0+75)° to the incident beam. Find the energy absorbed by the recoil electron. C. Discuss (in your own words) why the Saturation Current is directly proportional to the Intensity of incident radiation in the Photoelectric Effect.arrow_forwardThe work function for potassium is 2.26 eV. What is the cutoff frequency when this metal is used as photoelectrode? What is the stopping potential when for the emitted electrons when this photo electrode is exposed to radiation of frequency 1200 THz?arrow_forward
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