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A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as ___________

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A quantity of heat required to change the unit mass of a solid substance, from solid state to liquid state, while the temperature remains constant, is known as ___________

(a) Latent heat

(b) Sublimation

(c) Hoar frost

(d) Latent heat of fusion

The question was asked in class test.

My question is based upon Temperature and Specific Heat in division Mechanical Properties of Solids of Engineering Physics I

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The correct option is (d) Latent heat of fusion

The best explanation: The amount of heat required to change the state of the unit mass of a substance from solid at its melting point is called latent heat of fusion.

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