Задача 30512.

Incandescent filament is located along the axis of the cylinder 10 cm long and 4 cm in radius. The filament emits a luminous flux output of 500 watts. Considering the luminous flux symmetric about the filament, to determine the pressure of light on the surface of the cylinder. Reflectance 10% of the cylinder.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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