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प्रश्न
When ice is converted into water : constant temperature : : before the water evaporates : _______
उत्तर
When ice is converted into water : constant temperature : : before the water evaporates : temperature is increasing
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संबंधित प्रश्न
State two factors upon which the rate of emission of thermions depends.
State the effect of an increase of impurities on the melting point of ice.
State any two measures to minimize the impact of global warming.
What do you understand by the term latent heat?
Explain the following:
The heat supplied to a substance during it change of state, does not cause any rise in its temperature.
The specific latent heat of fusion of water is ______.
Explain the following temperature vs time graph.
What is meant by latent heat? How will the state of matter transform if latent heat is given off?
A substance changes from its solid state to the liquid state when heat is supplied to it. What name is given to heat absorbed by the 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.
Why does evaporation causes cooling and why is water used in hot water bottles?
State the main precautions to be taken in finding the latent heat of steam.
How fog is formed?
Match the columns.
| Column A | Column B |
| 1) Specific latent heat of fusion | a) Air saturated with vapour |
| 2) Specific latent heat of vaporisation | b) Solid converts into liquid |
| 3) Dew point temperature | c) liquid converts into gas |
Write the name.
The phase in which solid substances are converted into liquid.
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 ______.
