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प्रश्न
Give one example where high specific heat capacity of water is used as cooling.
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उत्तर
Car radiators and generators use water as a coolant because of its high specific heat capacity, which allows for the removal of more heat from the machine without significantly increasing the water's temperature.
संबंधित प्रश्न
The coolant in a chemical or a nuclear plant (i.e., the liquid used to prevent the different parts of a plant from getting too hot) should have high specific heat.
The specific heat capacity of water is :
It is generally cold after a hail-storm then during and before the hail storm. Give reason.
A piece of iron of mass 2.0 kg has a heat capacity of 966 J K-1. Find its specific heat capacity in S.I unit.
Why are athletes advised to put on extra clothes after competing on event?
Will the value of specific heat’capacity and specific latent heat of a substance change if the scale is °F instead of °C?
A piece of ice is heated at a constant rate. The variation of temperature with heat input is shown in the graph below:
(i) What are represented by AB and CD?
(ii) What conclusion can you draw regarding the 110°c nature of ice from the above graph?
Read this activity and answer the following questions.
- Take three spheres of iron, copper and lead. the lead of equal mass.
- Put all the three spheres in boiling water in the beaker for some time.
- Take the three spheres out of the water.
- All the spheres will be at a temperature 100 °C.
- Put them immediately on the thick slab of wax.
- Note, the depth that each of the sphere goes into the wax.
Questions:
- Which property is determined from this activity?
- Give name to that property.
- Explain the term principal of heat exchange with the help of this activity.
Which method is used to determine the specific heat capacity of both solids and liquids by mixing a substance of unknown specific heat with water?
