Heat Radiation

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  • Created by: Sally
  • Created on: 21-04-13 11:49
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  • Heat Radiation
    • Depends mostly on surface colour and texture.
      • Dark matt surfaces absorb heat radiation much better than bright, glossy surfaces, such as gloss white or silver.
        • They also emit much more heat radiation at any given temperature.
      • Silvered/ shiny surfaces reflect nearly all the heat radiation falling on them.
    • Leslies Cube: The matt black side emits , most heat, so its thermometer gets hottest.
    • The Melting Wax Trick:  The matt black surface absorbs most heat, so its wax melts first and the ball bearing drops.

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