A bucket full of hot water is kept in a room and it cools from 750Cto 700C in T1 minutes, from 700C to 650C in T2 minutes and from 650C to 600C in T3minutes. Then
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a
T1=T2=T3
b
T1
c
T1>T2>T3
d
T1
answer is B.
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Detailed Solution
More the initial temperature more is the rate of cooling. Hence, T3>T2>T1orThe rate of cooling decreases with decrease in temperature difference between body and surrounding.