Questions
A bucket fulI of hot water is kept in a room and it cools from 75oC to 70o in T1 minute, from 70oC to 65oC in T2 minute and from 65"C to 60"C in T3 minute; then
a
T1=T2=T3
b
T1
c
T1>T2>T3
d
T1T3
detailed solution
Correct option is B
Rate of loss of heat is directly propotional to temperature difference between the body and its surroundings.T3>T2>T1Talk to our academic expert!
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Newton's law of cooling is used in the laboratory for determining:
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