Task id14145
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Task id14145
At the focus of a parabolic mirror with a radius of 10 cm and a focal length of 1 m there is a thin matte disk, the size of which coincides with the image of the Sun at the focus of the mirror. What is the maximum possible temperature of the disk if the Sun radiates as a black body with a temperature of 6000 K?
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Answer. Format gif
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