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संबंधित प्रश्न
What is the energy absorbed during the phase change called?
1 g ice of 0℃ melts to form 1 g water at 0℃. State whether the latent heat is absorbed or given out by ice.
- Which requires more heat: 1 g ice at 0℃ or 1 g water at 0℃ to raise its temperature to 10℃?
- Explain your answer in part (a).
When a liquid is getting converted into solid, the latent heat is ………………………………
Define the following terms:
(i) Latent heat,
(ii) Latent heat of fusion of ice.
Define specific latent heat of vaporization of a substance.
Name two factors on which the heat absorbed or given out by a body depends.
Give one consequence of the high specific latent heat of fusion of ice.
Why does weather become pleasant when it starts freezing in cold countries?
Explain the statement; “The specific latent heat of vaporization of wafer is 2260 × 103 J/kg”.
Why do we feel much comfortable when we sit under a moving fan especially when our body is sweating?
What do you understand by the ‘latent heat of vaporization’ of a substance?
Steam at 100°C is passed over 1000 g of ice at 0°C. After some time, 600 g of ice at 0°C is left and 450 g of water at 0°C is formed. Calculate the specific latent heat of vaporization of steam (Given: specific heat capacity of water = 4200 J/kg°C, specific latent heat of fusion of ice = 336,000 J/kg.)
How fog is formed?
Write the name.
The phase in which solid substances are converted into liquid.
Write scientific reason.
The bottom of some steel utensils used for cooking is copper.
2875 J of heat is required to melt 115 g of lead at its melting point. Calculate the specific latent heat capacity of fusion of lead.
The amount of heat energy required to melt a given mass of a substance at its melting point without any rise in its temperature is called as the ______.
