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Name Two Factors on Which the Heat Absorbed Or Given Out by a Body Depends. - Physics

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प्रश्न

Name two factors on which the heat absorbed or given out by a body depends.

एक पंक्ति में उत्तर

उत्तर

The mass and specific heat capacity are two factors on which the heat absorbed or given out by a body depends.

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अध्याय 10: Specific Heat Capacity and Latent Heat - Short Answers

APPEARS IN

आईसीएसई Physics [English] Class 10
अध्याय 10 Specific Heat Capacity and Latent Heat
Short Answers | Q 26
आईसीएसई Physics [English] Class 10
अध्याय 10 Specific Heat Capacity and Latent Heat
Short Answers | Q 35

संबंधित प्रश्न

State two characteristics of a good thermion emitter.


State any two measures to minimize the impact of global warming.


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 has more heat: 1 g ice at 0℃ or 1g water 0℃? Give reason.


Explain the following:

The surrounding become pleasantly warm when water in a lake starts freezing in cold countries.


Explain the following:

The heat supplied to a substance during it change of state, does not cause any rise in its temperature.


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.


What is the name given to the energy absorbed during a phase change?


Explain the meaning of the term latent heat. State its S. I. unit.


Define the term ‘specific latent heat of fusion’ of a substance.


Explain, why no tracks are left on the ice during ice skating?


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.)


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Match the columns.

Column A Column B
1) Specific latent heat of fusion a) Air saturated with vapour
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3) Dew point temperature c) liquid converts into gas

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Specific latent heat of a substance ______.


Calculate the total amount of heat energy required to melt 200 g of ice at 0°C to water at 100°C. (Specific latent heat of ice = 336 Jg-1, specific heat capacity of water = 4.2 Jg-1 °C-1)


The diagram below shows a cooling curve for a substance:

  1. State the temperatures at which the substance condenses.
  2. The temperature range in which the substance is in liquid state.
  3. Why do we prefer ice to ice-cold water for cooling a drink?

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