Suppose you want to conduct the double-slit experiment with an electron that has kinetic energy...

Question:

Suppose you want to conduct the double-slit experiment with an electron that has kinetic energy equal to 100 eV. You design the experiment so that the slits are d = 100 m apart. What is the position on the screen of the third (n = 3) bright spot in the electron's interference pattern?

Interference due to Electrons:

Because electrons have some kinetic energy, they have some wavelength and can interfere in Young's Double Slit Experiment. The position of the fringe deviates more from the central fringe as the order of the fringe increases.

Answer and Explanation: 1

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Given Data:

  • The energy of the electron is {eq}E = 100\;{\rm{eV}} {/eq}.
  • The separation between the two slits is {eq}d = 100\;{\rm{m}} {/eq}.
  • The...

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Practice Applying Wave Interference Formulas

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Chapter 17 / Lesson 13
898

Wave interference formulas are important for understanding the behavior of waves in physics. Look at an overview of wave interference, then explore constructive and destructive points, determining slit distance, determining distance between spots, and solving for theta and wave length.


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