Hot water cools from 
to 
in the first 10 minutes and to 
in the next 10 minutes. The temperature of the surroundings is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From Newton's law of cooling
is the temperature surrouding.
… (i)
Similary, 
… (ii)
Eqn(ii) 
Eqn (i),
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