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Question

Two bodies A and B are arranged as shown in figure. Which of the following options is correct regarding body A?
(Assume that the bodies are placed in an adibatic container)


A
Qemission<Qabsorption
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B
Qemission=Qabsorption
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C
Qemission>Qabsorption
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D
Qemission=0.5 Qabsorption
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Solution

The correct option is C Qemission>Qabsorption
As temperature of body A is greater than temperature of body B, therefore body A radiates more heat as compared to body B. Therefore, body A will emit more heat energy than it can absorb.
Qemission>Qabsorption

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