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How the Length of the Block That the Light Travels Through Varies the Lateral Displacement.
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Physics coursework Experiment: How the Length of the Block That the Light Travels Through Varies the Lateral Displacement. Planning What is REFRACTION? Refraction is how, in this case, a beam of light is slowed down or gets faster when it goes from one medium to another. In this case, the light will be slowed down when it goes from air into glass and speeds up as it goes back into air. So it goes from a less dense medium into a denser medium and back again. It will bend towards the normal when the light goes in to the glass block. What is LATERAL DISPLACEMENT? Lateral displacement is the amount of movement that the ray of light has done whilst going through a different medium to when it started. In this case, the lateral displacement is affected by the glass, but even air slightly bents the light. The only medium that doesn't affect the light...
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