Home Physics Thermometry, Thermal Expansion and Calorimetry Calorimetry A quantity of heat required to change the un…
Physics Thermometry, Thermal Expansion and Calorimetry Calorimetry MCQ (Single Correct)

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

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The correct answer is:
D

Latent heat is defined as the amount of heat required to change the state of a substance, while

the temperature remains constant. Here, the state changes from solid to liquid, hence, it is defined as the latent heat of fusion.

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