Home Physics Thermometry, Thermal Expansion and Calorimetry Calorimetry The latent heat of vaporization of a substan…
Physics Thermometry, Thermal Expansion and Calorimetry Calorimetry MCQ (Single Correct)

The latent heat of vaporization of a substance is always

A
Greater than its latent heat of fusion
B
Greater than its latent heat of sublimation
C
Equal to its latent heat of sublimation
D
Less than its latent heat of fusion

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Text Solution

Verified by Experts
The correct answer is:
A

The latent heat of vaporization is always greater than latent heat of fusion because in liquid to

vapour phase change there is a large increase in volume. Hence more heat is required as compared to solid to liquid phase change.

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