NATS 1870 Lecture Notes - Lecture 10: Double-Slit Experiment, Soap Bubble, Tapetum Lucidum
4 Jun 2019
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Lecture 10, light interaction with matter as a wave. The electric and magnetic elds vibrating are what we perceive as light. Wavefront: drawing of just the crest of the waves. The behaviour of a wave when it encounters an obstacle or non uniformity in its paththe di raction causes the wave to do 3 things. When particles go through two slits, they just make two bands. When waves go through two slits however, they make an interference pattern. So you basically have no wave after since the two waves cancel each other out. Principle of superposition of waves says that to nd the resultant wave of two waves, you add up the heights of two waves at any point, to gure out the height of the new wave and its speci c position. Thomas young was the one who did the original double slit experiment in 1801, and shows that electrons behave as waves.
