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प्रश्न
Convection is the process by which the thermal energy flows in solids.
विकल्प
True
False
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उत्तर
Convection is the process by which the thermal energy flows in solids- False.
Correct statement:
Convection is the process by which thermal energy flows in liquids and gases.
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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 ______.
Which one of the following statements about thermal conductivity is correct? Give reason.
Metals like copper and aluminum are good conductors of heat and electricity.
Water is used as a coolant because it ______.
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?
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 the solid.
[Specific heat capacity of water = 4.2 J g−1 K−1]
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