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PHYSICS

JAMB 2017 - Question 34

Physics 2017 JAMB Past Questions - Question 34: The specific latent heat of vaporization of a substance is always

Choose the correct answers from the options given.

The specific latent heat of vaporization of a substance is always

A: less than its specific latent heat of fusion

B: equal to its specific latent heat of fusion

C: greater than its specific heat of fusion

D: all of the above depending on the natural of the substances

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Correct Answer

Explanation

The specific latent heat of vaporization of a substance is always a characteristic property of that substance. It represents the amount of heat energy required to convert one unit mass of the substance from its liquid phase to its gaseous phase at a constant temperature and pressure. This value remains constant for a particular substance regardless of the amount of substance being vaporized.