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प्रश्न
When a window is accidentally left open on a winter night, will you feel uncomfortable because the cold is getting in, or because the heat is escaping from the room?
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उत्तर
- When a window is left open on a winter night I will feel uncomfortable because the heat is escaping from the room.
- Heat will transfer from high temperature to low temperature.
- During winter cold air enters into the room, so room temperature will decrease.
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संबंधित प्रश्न
Fill in the blank
The S.I. unit of temperature is ________.
What is meant by the term temperature.
What is the Fahrenheit scale of temperature ?
State two uses of a bimetallic strip.
Is it possible to heat a liquid or gas from above? Explain your answer.
A spiral cut from a thick chart paper is pivoted at 0 and is held slightly above a burning candle You will notice that the spiral starts moving. Explain.

The hot metal ball is suspended from a string in a metal box as shown in the following figure
(i) What are the ways in which the ball loses heat
(ii) Which side of the box will be the hottest and which the least hot after some time? Explain.

Temperature is a measure of the average kinetic energy of molecules.
