Lab 1 - Physics 134 Lab, Wednesday 8am Experiment 1...

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Unformatted text preview: Physics 134 Lab, Wednesday 8am Experiment 1 Abstract: In this experiment, we shone a helium-neon laser at a screen with various boundaries in the way of the light to study diffraction patterns. Diffraction is when light spreads around the edges of an obstacle in its way. This leads to interference, which is when the wavesin this case light behaves like a waveget in the way of each other. When the different waves of light are in phase with one another, they create brighter light, which is called constructive interference. When they are out of phase, the interference is destructive, meaning that it makes the light weaker. We observed diffraction patterns when light passed by or through a straight edge/opaque disk, a narrow slit, double slits, and a number of narrow parallel slits. Questions 1. In light waves, crests are the points at which the wave is highest and troughs are the points at which the wave is lowest. The distance between troughs and between crests are equal throughout which the wave is lowest....
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Lab 1 - Physics 134 Lab, Wednesday 8am Experiment 1...

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