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प्रश्न
The specific heat capacity of water is :
पर्याय
4200 J kg-1 K-1
420 J g-1 K-1
0.42 J g-1 K-1
4.2 J kg-1 K-1
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उत्तर
4200 J kg-1 K-1
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.
50 g of metal piece at 27°C requires 2400 J of heat energy so as to attain a temperature of 327°C . Calculate the specific heat capacity of the metal.
What change in heat energy occurs when lead at its melting point
solidifies without change in the temperature?
Explain, why water is considered as best liquid for quenching thirst?
Explain, Why is it advisabile to pour cold water over burns, caused on human body, by hot solids?
Explain, why does a wise farmer water his fields, if forecast is forst?
Ice-cream at 0°C feels colder than water at 0°C. Give reason for this observation.
Water falls from a height of 50 m. Calculate the rise in the temperature of water when it strikes the bottom.
(g = 10 ms-2; Specific heat capacity of water = 4200 J / kg°C)
What is the amount of heat required to raise the temperature of 5 kg of iron from 30°C to 130°C? Specific heat capacity of iron = 483 Jkg-1C-1.
Give one example where high specific heat capacity of water is used as heat reservoir.
