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Mechanical Properties of Fluids

Surface Tension And Viscosity

Consider a liquid molecule as shown in diagram. If {F}_{c} is

Question

Hard

Solving time: 4 mins

Consider a liquid molecule as shown in diagram. If $F_{c}$ is the resultant of cohesive forces on this molecule and $F_{a d}$ is the adhesive force on this, then choose the correct statement.

∣ ∣ F_{a d} ∣ ∣ > ∣ ∣ F_{c} ∣ ∣

then surface at the solid liquid interface must be concave

∣ ∣ F_{a d} ∣ ∣ < ∣ ∣ F_{c} ∣ ∣

the surface at the solid liquid interface must be concave

∣ ∣ F_{c} ∣ ∣ > ∣ ∣ F_{a d} ∣ ∣

the surface must be flat plane close to interface

∣ ∣ F_{c} ∣ ∣ = ∣ ∣ F_{a d} ∣ ∣

the suface must be convex

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Oliver Discussed

Consider a liquid molecule as shown in diagram. If

F_{c}

is the resultant of cohesive forces on this molecule and

F_{a d}

is the adhesive force on this, then choose the correct statement.

12 mins ago

Discuss this question LIVE

12 mins ago

Text solutionVerified

F_{dd} > F_{c}

(F_{dd} - F_{c}^{x})

\overline{F_{R}}

⊥

to force surface of the liquid.

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Question Text	Consider a liquid molecule as shown in diagram. If $F_{c}$ is the resultant of cohesive forces on this molecule and $F_{a d}$ is the adhesive force on this, then choose the correct statement.
Topic	Mechanical Properties of Fluids
Subject	Physics
Class	Class 11
Answer Type	Text solution:1
Upvotes	32

Consider a liquid molecule as shown in diagram. If $F_{c}$ is the resultant of cohesive forces on this molecule and $F_{a d}$ is the adhesive force on this, then choose the correct statement.

Text solutionVerified

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