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प्रश्न
Define heat capacity.
Define the term ‘heat capacity’.
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उत्तर
The heat capacity of a body is the quantity of heat required to raise its temperature by 1°C. It depends upon the mass and the nature of the body.
संबंधित प्रश्न
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
What property of water makes it an effective coolant?
Write the approximate value of specific heat capacity of water in S.I. unit.
Why do bottled soft drinks get cooled, more quickly by the ice cubes than by the iced water, both at 0℃?
The global warming has resulted:
(a) the increase in yield of crops
(b) the decrease in sea levels
(c) the decrease in human deaths
(d) the increase in sea levels
What is heat? What is the S. I. unit of heat?
Numerical Problem.
What could be the final temperature of a mixture of 100 g of water at 90 °C and 600g of water at 20°C.
Water has the lowest specific heat capacity.
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.
