Q. The unit of latent heat of fusion(Lv) is

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Q. A jet of steam at 150 °C is directed at a large block of ice for some time at 0 °C. Some steam condenses to form water and some ice is melted. The condensed steam forms 0.6 kg of water at 0 °C. The specific latent heat of water is 2200 kJ kg⁻¹. What is the thermal energy given out by this mass of steam in changing to water at 100 °C?

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Q. The unit of specific latent heat of fusion(lf) is

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Q. The unit of latent heat of fusion(Lf) is

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Q. The amount of thermal energy required to change the solid to liquid state, or vice versa, without a change in temperature is known as

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Q. The thermal energy required to melt a solid with more mass is

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Q. The types of latent heat are

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Q. If lf is specific latent heat of fusion and m is the mass of the solid, then the latent heat of fusion(Lf) is equal to

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Q. If lv is specific latent heat of vaporization and m is the mass of the liquid then the latent heat of vaporization(Lv) is equal to

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Q. Large masses such as mass of a truck is usually measured in

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Q. The weight of a body W can be calculated by the equation

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Q. Small masses such as mass of a pen is usually measured in

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Q. The mass of an object can be measured easily by using

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Q. Object fall to the ground after we throw them up in the air is due to force called

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Q. The more mass an object has, the gravitational force acting on it is

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Q. The weight of an object depends on the strength of the

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Q. The gravitational force acting per unit mass on the object is known as

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Q. The region surrounding the Earth where gravity is experienced is known as

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Q. The SI unit of mass is

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Q. Mass is the property of a body that can not be changed by its

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