A) \[{{t}_{1}}<{{t}_{2}}<{{t}_{3}}\]
B) \[{{t}_{1}}={{t}_{2}}={{t}_{3}}\]
C) \[{{t}_{1}}<{{t}_{2}}>{{t}_{3}}\]
D) \[{{t}_{1}}>{{t}_{2}}>{{t}_{3}}\]
Correct Answer: A
Solution :
According to Newtons law of cooling we have, rate of cooling \[\propto \] temperature difference between the liquid and surrounding. As temperature difference decreases gradually, time taken to cool increases \[i.e.,\] \[{{T}_{1}}<{{T}_{2}}<{{T}_{3}}\]
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