the roof of the dark room. Assuming that there is no change in the ambient temperature...

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the roof of the dark room. Assuming that there is no change in the ambient temperature of the room, which of the following statement(s) is/are correct? (A) The quantity of radiation absorbed by the black body in unit time will increase. (B) Since emissivity = absorptivity, hence the quantity of radiation emitted by black body in unit time will increase. (C) Black body radiates more energy in unit time in the visible spectrum. (D) The reflected energy in unit time by the black body remains same. the roof of the dark room. Assuming that there is no change in the ambient temperature of the room, which of the following statement(s) is/are correct? (A) The quantity of radiation absorbed by the black body in unit time will increase. (B) Since emissivity = absorptivity, hence the quantity of radiation emitted by black body in unit time will increase. (C) Black body radiates more energy in unit time in the visible spectrum. (D) The reflected energy in unit time by the black body remains same.

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