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Question: Answered & Verified by Expert
The following three objects (1) a metal tray, (2) a block of wood, and (3) a woolen cap are left in a closed room overnight. Next day the temperature of each is recorded as $T_{1}, T_{2}$ and $T_{3}$ respectively. The likely situation is
PhysicsThermal Properties of MatterKVPYKVPY 2011 (SA)
Options:
  • A $\mathrm{T}_{1}=\mathrm{T}_{2}=\mathrm{T}_{3}$
  • B $\mathrm{T}_{3}>\mathrm{T}_{2}>\mathrm{T}_{1}$
  • C $\mathrm{T}_{3}=\mathrm{T}_{2}>\mathrm{T}_{1}$
  • D $\mathrm{T}_{3}>\mathrm{T}_{2}=\mathrm{T}_{1}$
Solution:
1071 Upvotes Verified Answer
The correct answer is: $\mathrm{T}_{1}=\mathrm{T}_{2}=\mathrm{T}_{3}$
All the three object will be in thermal equilibrium then $\% \mathrm{~T}_{1}=\mathrm{T}_{2}=\mathrm{T}_{3}$.

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