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प्रश्न
What property of water makes it an effective coolant?
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उत्तर
The high specific heat capacity of water makes it an effective coolant.
संबंधित प्रश्न
Give one example where high specific heat capacity of water is used as heat reservoir ?
What is the specific heat capacity of melting ice?
Give one example where high specific heat capacity of water is used as cooling.
Is it possible to condense the water formed, back to ice by adding ice at 0°C. Explain with reason.
Write a short note.
Specific heat capacity
Consider the statement given below and choose the correct option.
Assertion: Radiation is a form of heat transfer which takes place only in vacuum.
Reason: The thermal energy is transferred from one part of a substance to another part without the actual movement of the atoms or molecules.
A piece of lead weighing 500 g gives out 1200 calories of heat when it is cooled from 100° C to 20° C. Find its specific heat.
The molar specific heat of an ideal gas at constant pressure and constant volume is 'Cp' and 'Cv' respectively. If 'R' is the universal gas constant and the ratio 'Cp' to 'Cv' is 'γ' then CV = ______.
The molar specific heats of an ideal gas at constant pressure and volume are denoted by Cp and Cv, respectively. If `gamma = "C"_"p"/"C"_"v"` and R is the universal gas constant, then Cv is equal to ______.
Two blocks P and Q of different metals having their mass in the ratio 2 : 1 are given same amount of heat. Their temperature rises by same amount. Compare their specific heat capacities.
