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प्रश्न
Specific latent heat of a substance ______.
पर्याय
is directly proportional to the mass
is directly proportional to the change in the temperature
depends on the material
is inversely proportional to the mass
उत्तर
Specific latent heat of a substance depends on the material.
Explanation:
Typical feature of a material with a given mass in units.
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संबंधित प्रश्न
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.
The S.I. unit of specific latent heat is ______.
A molten metal of mass 150 g is kept at its melting point 800℃. When it is allowed to freeze at the same temperature, it gives out 75,000 J of heat energy.
- What is the specific latent heat of the metal?
- If the specific heat capacity of metal is 200 J kg-1 K-1, how much additional heat energy will the metal give out in cooling to -50℃?
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.
A thermally insulated pot has 150 g ice at temperature 0°C. How much steam of 100°C has to be mixed to it, so that water of temperature 50°C will be obtained? (Given : latent heat of melting of ice = 80 cal/g, latent heat of vaporization of water = 540 cal/g, specific heat of water = 1 cal/g °C)
Define the following terms:
(i) Latent heat,
(ii) Latent heat of fusion of ice.
What happens to the heat supplied to a substance when the heat supplied causes no change in the temperature of the substance?
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?
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Explain the statement; “The specific latent heat of vaporization of wafer is 2260 × 103 J/kg”.
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Write scientific reason.
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Specific latent heat L = ______.
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