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प्रश्न
Give one example where high specific heat capacity of water is used as heat reservoir.
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उत्तर
For long-term heat loss without the water in the bottle becoming cold, hot water bottles with a high specific heat capacity are ideal for fomentation.
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संबंधित प्रश्न
Define heat capacity and state its SI unit.
State two factors upon which the heat absorbed by a body depends
A copper vessel of mass 100 g contains 150 g of water at 50°C. How much ice is needed to cool it to 5°C?
Given: Specific heat capacity of copper = 0.4 Jg-1 °C-1
The Specific heat capacity of water = 4.2 Jg-1 °C-1
The Specific latent heat of fusion ice = 336 Jg-1
Without green house effect, the average temperature of earth’s surface would have been:
(a) – 18℃
(b) 33℃
(c) 0℃
(d) 15℃
Solve the following problems:
Equal heat is given to two objects A and B of mass 1 g. Temperature of A increases by 3°C and B by 5°C. Which object has more specific heat? And by what factor?
m kg of a substance of specific heat capacity s J/kg °C is heated so that its temperature rises from θ1°C to θ2°C. Write down the expression for the heat Q supplied.
Name the substance which has maximum specific heat capacity.
Give two reasons as to why copper is preferred over other metals for making calorimeters.
At same temperature and pressure of an ideal gas, ____________.
