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BITSAT 2019 Solved Question Paper
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© examsnet.com
Question : 27
Total: 150
Two bodies A and Bare placed in an evacuated vessel maintained at a temperature of 27°C. The temperature of A is 327°C and that of B is 227°C. The ratio of heat loss from A and B is about
2:1
1:2
4:1
1:4
Validate
Solution:
(a)
E
1
E
2
=
σ
(
T
1
4
−
T
0
4
)
σ
(
T
2
4
−
T
0
4
)
=
(
600
)
4
−
(
300
)
4
(
500
)
4
−
(
300
)
4
© examsnet.com
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