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Does a Body at 20°C Radiate in a Room, Where the Room Temperature is 30°C? If Yes, Why Does Its Temperature Not Fall Further? - Physics

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Question

Does a body at 20°C radiate in a room, where the room temperature is 30°C? If yes, why does its temperature not fall further?

Solution

Yes, the body will radiate. However, its temperature will not fall down with time because as the temperature of the surroundings is greater than the temperature of the body so, its rate of absorption will be greater than its rate of emission.

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APPEARS IN

 HC Verma Solution for Concepts of Physics - Vol. 2 (2018 to Current)
Chapter 6: Heat Transfer
Short Answers | Q: 2 | Page no. 96

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Solution Does a Body at 20°C Radiate in a Room, Where the Room Temperature is 30°C? If Yes, Why Does Its Temperature Not Fall Further? Concept: Qualitative Ideas of Blackbody Radiation.
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