Heat TransferHard
Question
Which of the following statements is/are true ?
Options
A.Hole in the wall of a cavity radiator behaves like a black body
B.Hole in the wall of a cavity radiator does not act like a black body
C.When a body is kept in a surrounding of low temperature it does not absorb any energy from the surroundings
D.When a body is kept in surrounding of low temperature it simultaneously radiates heat to the surroundings and absorbs heat from the surroundings
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