Radiation from cavity

A cylindrical hole is machined in a block of metal whose emissivity is 0.6. The hole is 3cm in diameter and 4.1cm deep. If the block is heated at 711°K, find F1-1. Refer the image in simulation.
F11=1A2A1=F_{1-1} = 1 - \frac{A_2}{A_1} =
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Explanation

A cylindrical hole is machined in a block of metal whose emissivity is 0.6. The hole is 3cm in diameter and 4.1cm deep. If the block is heated at 711°K, find the radiation emitted by the hole. Refer the image in simulation.
Explanation

Explanation

Explanation

Explanation

Explanation

Explanation

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Explanation