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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
Why is the base of a cooking pan generally made thick?
Define the term heat capacity.
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?
Which one of the following statements about thermal conductivity is correct? Give reason.
Define thermal capacity.
Metals like copper and aluminum are good conductors of heat and electricity.
The amount of heat required to raise the temperature to 1°C is called ______.
Thermal capacities of substances A and B are same. If mass of A is more than mass of B then:
Which substance will show greater rise in temperature if the same amount of heat is supplied to both?
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]
