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Interfacial Free Energy - Phase Transformation MCQ Questions

Interfacial Free Energy MCQs : Here you will find MCQ Questions related to "Interfacial Free Energy" in Phase Transformation. These Interfacial Free Energy MCQ Questions Will help you to improve your Phase Transformation knowledge and will prepare you for various Examinations like Competitive Exams, Placements, Interviews and other Entrance Exmaniations

Question 1

Interfacial free energy is defined as the product of?

A. interfacial resistance and interface area
B. interfacial pressure and interface area
C. interfacial tension and interface area
D. interfacial temperture and interface area

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Question 2

The interfacial free energy of a bilayer can be determined by measuring the?

A. Pressure
B. Temparture
C. Temparture difference
D. Pressure difference

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Question 3

Interfacial free energy denoted by?

A. Zm
B. Ym
C. Pm
D. Wm

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Question 4

Interfacial Free Energy also known as?

A. surface tension
B. surface pressure
C. surface tempature
D. surface gauge

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Question 5

In the case of a liquid film which of the following is true? (Where ᵞ is the interfacial free energy and A is the area of the interface).

A. (dᵞ/dA) > 0
B. (dᵞ/dA) < 0
C. (dᵞ/dA) = 0
D. Can not say

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Question 6

Why is the value of (dᵞ/dA) =0 in case of a liquid film?

A. Liquid develops viscous forces
B. Liquid can support shear stresses
C. Intermolecular forces in liquid is quite high
D. Liquid is unable to support shear stresses

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Question 7

The interfacial free energy appear dependent on the electrolyte concentration ?

C. Can be true or false
D. Can not say

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Question 8

The anisotropy in crystalline solid is prominent at ___

A. Lower temperature
B. Higher temperature
C. Zero degree Celsius
D. Cannot be predicted

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Question 9

Which of the following can be used to calculate surface energy of a solid?

A. Bond making model
B. Solid bond theory
C. Interface creation model
D. Bond breaking model

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Question 10

γm is an important term in the condition for equilibrium for the bilayer?

A. Yes
B. No
C. Can be yes or no
D. Can not say

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