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I2-43: CONVECTION - HOT PLATE 9 years 6 months ago #1292

  • zzfixk21
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ID Code: I2-43
Purpose: See convection currents.
Description: The irregular refraction patterns created by convection currents in air heated from below are easily seen when light from a point source (foreground) shines through the air over a hot plate and onto a screen. This phenomenon is often seen when the sun shines brightly onto surfaces like cars and roads, and is responsible for the twinkling of stars.
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