Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 35, Problem 32P
To determine
Proof that the transmission coefficient for the particle is
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Chapter 35 Solutions
Physics for Scientists and Engineers
Ch. 35 - Prob. 1PCh. 35 - Prob. 2PCh. 35 - Prob. 3PCh. 35 - Prob. 4PCh. 35 - Prob. 5PCh. 35 - Prob. 6PCh. 35 - Prob. 7PCh. 35 - Prob. 8PCh. 35 - Prob. 9PCh. 35 - Prob. 10P
Ch. 35 - Prob. 11PCh. 35 - Prob. 12PCh. 35 - Prob. 13PCh. 35 - Prob. 14PCh. 35 - Prob. 15PCh. 35 - Prob. 16PCh. 35 - Prob. 17PCh. 35 - Prob. 18PCh. 35 - Prob. 19PCh. 35 - Prob. 20PCh. 35 - Prob. 21PCh. 35 - Prob. 22PCh. 35 - Prob. 23PCh. 35 - Prob. 24PCh. 35 - Prob. 25PCh. 35 - Prob. 26PCh. 35 - Prob. 27PCh. 35 - Prob. 28PCh. 35 - Prob. 29PCh. 35 - Prob. 30PCh. 35 - Prob. 31PCh. 35 - Prob. 32PCh. 35 - Prob. 33PCh. 35 - Prob. 34PCh. 35 - Prob. 35PCh. 35 - Prob. 36PCh. 35 - Prob. 37PCh. 35 - Prob. 38P
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- Electrons go through a single slit 300 nm wide and strike a screen 24.0 cm away. At angles of =+_20.0° from the center of the dif- fraction pattern, no electrons hit the screen, but electrons hit at all points closer to the center. (a) How fast were these electrons moving when they went through the slit? (b) What will be the next pair of larger an- gles at which no electrons hit the screen?arrow_forwardGeiger and Marsden (1909) observed backward-scattered (θ ≥90°) α particles when a beam of energetic α particles was directed at a piece of gold foil as thin as 6.0 x 10-7 m. Assuming an α particle scatters from an electron in the foil, what is the maximum scattering angle?arrow_forwardProtons of energy 5.4 MeV are incident on a silver foil of thickness 3.6 × 10-6 m. What fraction of the inci- dent protons is scattered at angles: (a) Greater than 90°? (b) Greater than 10°? (c) Between 5° and 10°? (d) Less than 5°? Alabarrow_forward
- Electrons are fired at a rectangular potential energy barrier, once every 149 ms. If the barrier is 2.55 nm thick and has a height that exceeds the energy of the incident electrons by exactly 712 meV, how long on average would you expect to wait for one electron to pass through the barrier?arrow_forwardCalculate the velocity (in m/s) of an electron that has a wavelength of 8.76 µm. m/s (b) Through what voltage (in V) must the electron be accelerated to have this velocity? (Assume the electron starts at rest.) Varrow_forwardAn oil drop of 10 excess electrons is held stationary under a constant electric field 5x 104 V/m in a Millikan's oil drop experiment. The density of oil is 1.4 x 103 kg/m?. Estimate the radius of the drop. Given e = 1.6 x 10-19C and g = 10 m/s?arrow_forward
- Problem 9: Rutherford Scattering A gold foil (5.9×1022 atoms/cm³) of "hair" thickness 80 µm is used in a Rutherford experiment to scatter a particles with energy 5 MeV. Find the fraction of particles scattered at angles 0 > 30°.arrow_forwardIf electrons are accelerated with an applied bias of 50,000 V, (a) What is the kinetic energy of the electrons inunits of eV? (b) What is the velocity of the electrons? At this bias, do you need to consider relativistic equations?arrow_forwardThe work function for metallic Ni is 5 eV. a) Calculate the threshold frequency of this material. b) What is the speed of an ejected electron if Ni is irradiated with 150 nm light?arrow_forward
- In Davisson and Germer experiment, it was noted that the energy of an electron increases while entering a crystal, reducing its de-Broglie wavelength. Consider a 54 eV electron beam that is aimed at a nickel target. An electron that reaches the target increases its potential energy by 26 eV. What will be the speed and de-Broglic wavelength of clectron inside the nickel target? (b)arrow_forwardElectrons are fired at a rectangular potential energy barrier, once every 197 ms. If the barrier is 2.55 nm thick and has a height that exceeds the energy of the incident electrons by exactly 762 meV, how long on average would you expect to wait for one electron to pass through the barrier? average wait: 19.38 x105 Incorrectarrow_forwardChapter 38, Problem 076 Suppose a beam of 4.60 eV protons strikes a potential energy barrier of height 6.60 eV and thickness 0.650 nm, at a rate equivalent to a current of 1110 A. (a) How many years would you have to wait (on average) for one proton to be transmitted through the barrier? (b) How long would you have to wait if the beam consisted of electrons rather than protons? (a) Number Units (b) Number Unitsarrow_forward
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