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Newton's Law of Cooling - II

4 MinsPhysics
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Newton's Law of Cooling

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Important Questions

A body cools from C to C in minutes. Calculate the time it takes to cool from C to C. The temperature of the surroundings is C.

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Certain quantity of water cools from to in the first minutes and to in the next minutes. The temperature of the surroundings is ;

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A body cools down from to in Minutes when the temperature of surrounding is . The temperature of the body after next minutes will be:

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A pendulum clock is sec fast at temperature of and sec slow at a temperature of . At temperature does it give the correct time-

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A body cools in minutes from to . If the temperature of surrounding is , the temperature after next minutes will be :

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Spheres and are uniformly constructed from the same material which is a good conductor of heat and the radius of is thrice the radius of . The rate of fall of temperature of is times that of . When both are at the same surface temperature, the value of is :

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A sphere , a cube and a thin circular plate,all of same materials and same mass, are initially heated to same high temperature. 

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A body takes minutes to cool from to . The temperature of surroundings is constant at . Then, the temperature of the body after next minutes will be approximately

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A bucket full of hot water is kept in a room. It cools from to in minutes, from to in minutes and from to in minutes. Which of the following relation is correct?

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A body initially at C cools to C in 10 min. What will be it's temperature at the end of the next 10 min. if the roc temperature is C.Assume newton's law of cooling.

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