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Q. No.A hot body \((A)\) at a temperature of \(2000~ \text K\) radiates like a blackbody, at a rate of \(160 ~\text W.\) It is placed in a furnace which is heated to a temperature of \(1000~ \text K,\) the interior of the furnace behaving like a blackbody. At the initial instant, when the hot body \(A\) is at \(2000~ \text K,\) the net rate of loss of heat from \(A\) due to radiation is:
1. \(160 ~\text W\)
2. \(150 ~\text W\)
3. \(60 ~\text W\)
4. \(10 ~\text W\)
1. \(160 ~\text W\)
2. \(150 ~\text W\)
3. \(60 ~\text W\)
4. \(10 ~\text W\)
Subtopic: Â Radiation |
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