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  4. Temperature of a body θ is slightly more than the temperature of the surrounding θ0 Its rate of cooling (R) versus temperature of body (θ) is plotted, its shape would be :

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Q. Temperature of a body $\theta$ is slightly more than the temperature of the surrounding $\theta_0$ Its rate of cooling $(R)$ versus temperature of body $(\theta)$ is plotted, its shape would be :

Thermal Properties of Matter

Solution:

According to Newton's law of cooling for small temperature difference between body and surrounding, rate of cooling is directly proportional to the temperature difference of the body with the surrounding.