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प्रश्न
What is the principle of the method of mixtures?
उत्तर
The principle of the method of mixtures says that the heat lost by a hot body is equal to the heat gained by a cold body.
संबंधित प्रश्न
Name three factors on which heat energy absorbed by a body depends and state how does it depend on them.
Same amount of heat is supplied to two liquid A and B. The liquid A shows a greater rise in temperature. What can you say about the heat capacity of A as compared to that of B?
The S.I. unit of heat capacity is ______.
Convection is the process by which the thermal energy flows in solids.
Which one of the following statements about thermal conductivity is correct? Give reason.
Water is used as a coolant because it ______.
The amount of heat required to raise the temperature to 1°C is called ______.
The graph given below shows heat energy supplied against change in temperature when no energy is lost to the surroundings. The slope of this graph will give:
Heat capacity of a body is the ______.
A solid of mass 60 g at 100°C is placed in 150 g of water at 20°C. The final steady temperature is 25°C. Calculate the heat capacity of solid.
[sp. heat capacity of water = 4.2 J g-1 K-1]
