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A body cools in a surrounding of constan...

A body cools in a surrounding of constant temperature `30^@C` Its heat capacity is `2 J//^@C`. Initial temeprature of cooling is valid. The body cools to `38^@C` in 10 min
The temperature of the body In `.^@C` denoted by `theta`. The veriation of `theta` versus time t is best denoted as

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