Tutorials In Introductory Physics: Homework
1st Edition
ISBN: 9780130662453
Author: Lillian C. McDermott, Peter S. Shaffer
Publisher: PEARSON
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Chapter 14.1, Problem 2aT
To determine
The better model to see the same behavior of electron.
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The width of the central bright fringe in a diffraction pattern on a screen is identical when either electrons or optical light pass through a single slit. The distance between the screen and the slit is the same in each case and is large compared to the slit width. If the wavelength of the optical light is 552 nm, how fast are the electrons moving?Give your answer in units of m/s, accurate to 2 decimal places
Chapter 14 Solutions
Tutorials In Introductory Physics: Homework
Ch. 14.1 - In the magnified view of the slits, an arrow is...Ch. 14.1 - For what values of the path length difference...Ch. 14.1 - Suppose that a single change were made to the...Ch. 14.1 - Prob. 2aTCh. 14.1 - Prob. 2bTCh. 14.1 - Prob. 2cTCh. 14.1 - Use trigonometry to show that the path length...Ch. 14.1 - Prob. 3bTCh. 14.2 - How does the voltmeter reading compare to the...Ch. 14.2 - Prob. 1bT
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- Please help me with a,b,c questionarrow_forwardCould an electron-diffraction experiment be carried out using three or four slits? Using a grating with many slits? What sort of results would you expect with a grating? Would the uncertainty principle be violated? Explain.arrow_forwardA beam of light or electrons passes through two closely spaced slits to create an interference pattern consisting of fringes. Which of the following statements is true about the relationship between the properties of the beam and the spacing of the interference fringes. a)When the light become more red, the interference fringes become spaced closer together. b)When the light become more blue, the interference fringes become spaced closer together. c)When the energy of the electrons decreases, the interference fringes become spaced closer together. d)When the light become more blue, the interference fringes become spaced further apart.arrow_forward
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- c) How about the 2rd excited state (3) to the ground state (1)? What wavelength and what color? d) Lastly, from the 1st excited state (2) to the ground state (1), what wavelength and what color?arrow_forwardA crystal has regularly spaced atoms that can act like a diffraction grating (which has many evenly spaced slits). Diffraction patterns form when the wavelength of a photon is similar in size to the spacing between atoms. Consider a crystal where the atomic spacing is 0.23 nm, and a photon of wavelength equal to this spacing. What part of the electromagnetic spectrum is such a photon? O infrared Ovisible light O ultraviolet Ox-ray gamma ray What is the momentum of this photon? Pph = kg-m/s Note that you will need to use exponential notation for your answer. Express it using "E": 1.23 x1024 is entered as 1.23E24. Particles such as electrons can act like waves just as photons do. In fact, they can be diffracted in just the same way by a crystal. What momentum would an electron have if its wavelength equals that of the photon (per the previous answer)? kg-m/s (Use exponential notation as above) What is the velocity that such an electron would have? For reference, the electron mass is 9.11…arrow_forward7 A parallel beam of electrons accelerated by a potential difference of 25 kV falls along a normal on an aperture with two slits. The distance between the slits is 50 µm. Find the distance between maximums on the screen located at the distance of 1 m from the slits.arrow_forward
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