Heat

  
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1. When an object is heated, the molecules that make up the object begin to

2. The unit of heat is

3. One litre of water at 30 C is mixed with one litre ofwater at 50 C. The temperature of the mixture will be

4. An iron ball at 50 C is dropped in mug containing water at 50 C. The heat will from iron ball to water or from water to iron ball.

5. Heat flows from a body to a body.

6. The hotness of the object is determined by its

7. The SI unit of temperature is

8. Solids on heating and on cooling.

9. Two bodies are said to be in the state of if there is no transfer of heat taking place.

10. is a kind of energy that flows from a hot body to a cold body.