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प्रश्न
During transformation of liquid phase to solid phase, the latent heat is ______.
उत्तर
During transformation of liquid phase to solid phase, the latent heat is released.
APPEARS IN
संबंधित प्रश्न
State two factors upon which the rate of emission of thermions depends.
The S.I. unit of specific latent heat is ______.
A refrigerator converts 100g of water at 20℃ to ice at – 10℃ in 73.5 min. Calculate the average rate of heat extraction in watt. The specific heat capacity of water is 4.2 J kg-1 K-1, specific latent heat of ice is 336 J g-1 and the specific heat capacity of ice is 2.1 J kg-1 K-1.
Water expands on reducing its temperature below ______°C.
What do you mean by the statement?
'The specific latent heat capacity of fusion of ice is 336 J per g'?
Define the following terms:
(i) Specific latent heat,
(ii) Specific latent heat of fusion.
Define specific latent heat of vaporization of a substance.
Name two factors on which the heat absorbed or given out by a body depends.
Explain the meaning of the term latent heat. State its S. I. unit.
When 1 g of ice at 0 °C melts to form 1 g of water at 0 °C then, is the latent heat absorbed by the ice or given out by it?
State the main precautions to be taken in finding the latent heat of steam.
If pressure increases, the melting point of a substance ______.
How fog is formed?
Write the name.
Products obtained when sugar is heated.
During reheating, ice is converted to water at a temperature of 0 °C.
For the same mass of ice and ice-cold water, why does ice produce more cooling than ice-cold water?
600 g of copper at 50°C is mixed with lOOOg water at 20°C. Find the final temperature of the mixture. The specific heat capacity of copper is 0.4 Jg-1°C-1 and that of water is 4.2 Jg-1°C-1
Calculate the amount of heat required to convert 200g of ice at 0°C into the water at 0°C Specific latent heat of fusion of ice = 336 Jg-1
