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Could 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.

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Electrons with an energy of 0.842 eV are incident on a double slit in which the two slits are separated by 40.0 nm. What is the de Broglie wavelength (in nanometers!) of these electrons?
Could 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.
1) A laser has divergence of 1 milli radians . What is the spatial spread for every meter ? The answer is 1 mm . Please explain how the answer is got 2) You are given a light source of coherence length 3 m . It is split into 2 rays such that the path difference between them is 4 m . Can you form a stable interference ? The answer is No . I just want the reasoning to the answer .
Learning Goal: To understand how to find the wavelength and diffraction patterns of electrons. An electron beam is incident on a single slit of width a. The electron beam was generated using a potential difference of magnitude V. After passing through the slit, the diffracted electrons are collected on a screen that is a distance L away from the slit. Assume that Vis small enough so that the electrons are nonrelativistic. Ultimately, you will find the width of the central maximum for the diffraction pattern. Part B What is the wavelength of the electron beam? Use the de Broglie relation and the momentum that you found in Part A. Express your answer in terms of h, me, e, and V. X = [5] ΑΣΦ Submit Request Answer ?