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In a dark room with ambient temperature ...

In a dark room with ambient temperature `T_(0)`, a black body is kept at a temperature `T`. Keeping the temperature of the black body constant (at `T`), sunrays are allowed to fall on the black body through a hole in the roof of the dark room. Assuming that there is no change in the ambient temperature of the room, which of the following statements (s) is/are correct ?

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