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Dodeca Dave Said,
February 1st, 2011 @11:40 pm  

Note that a light bulb puts out energy in the form of light. Temperature is a measure of the energy that an object has. So the actual temperature of the object is going to depend on things like how much of the light it absorbs and what the surrounding temperature is.

You want to note that the energy the light bulb is putting out each second is expanding into a greater and great area.
This means that the energy is more ‘diluted’ the further you are from the light bulb.
The power that an object absorbs is inversely proportional the square of its distance from the source.

P?1/R²

This by the way, is because the area of a sphere is DIRECTLY proportional to the square of its radius.

A?R²

If I’m not mistaken, the equation that will fit your data is
T?1/R² or T = constant x 1/R²

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