KVPY SA Exam 2011 Question Paper

Question : 20 of 80

Marks: +1, -0

The following three objects (1) a metal tray, (2) a block of wood, and (3) a woolen cap arc 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

$T _1 = T _2 = T _3$
$T _3 > T _2 > T _1$
$T _3 = T _2 > T _1$
$T _3 > T _2 = T _1$

Validate

Solution:

All the three object will be in thermal equilibrium then %

T_1 = T_2 = T_3

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