Write a numerical expression for the emissive intensity (in W/m^2.sr) coming out of a tiny hole in an enclosure of surface temperature 1000K and emissivity 0.6:

6.0 × W/

Explanation:

From Wien's displacement formula;

Q = e A

Where: Q is the quantity of heat transferred, e is the emissivity of the surface, A is the area, and T is the temperature.

The emissive intensity = = e

Given from the question that: e = 0.6 and T = 1000K, thus;

emissive intensity = 0.6 ×

                             = 0.6 × 1.0 ×

                             = 6.0 ×

Therefore, the emissive intensity coming out of the surface is 6.0 × W/.

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answer: what are you talking about?

explanation: