1.

A cup of tea cools from 80∘ C to 60∘ C in one minute. The ambient temperature is 30∘ C. In coolingfrom 60∘ C to 50∘ C it will take nearly

Answer»

A cup of tea cools from 80∘ C to 60∘ C in one minute.

The ambient temperature is 30∘ C.

In coolingfrom 60∘ C to 50∘ C it will take nearly




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