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Single Slit and Double Slit Diffraction
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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Single Slit and Double Slit Diffraction Objective To observe the diffraction patterns created by laser light passing through a single slit and double slit and to verify the equation which predicts the diffraction patterns in theory. Mathematical Theory n ? = d sin(?) n ? = d Procedure 1. Align a laser, a diffraction disk, and a light sensor mounted on a rotary motion sensor. 2. Allow the laser to pass through the diffraction disk. 3. Run the light sensor attached to the rotary motion sensor across the diffraction pattern to detect the intensity of light at different positions along the pattern. 4. Record the displacement measured by the rotary motion sensor and the intensity of light measured by the light sensor. Data Laser wavelength - 6.7x10-7 meters Distance from the slit to the light sensor - 0.72 meters Single slit diffraction pattern with a 2x10-5 m wide slit Single slit diffraction pattern with a 4x10-5 m wide slit Single slit diffraction pattern...
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