If {\S}_1, {\S}_2 and {\S}_3 are the tensions at liquid-air, solid-air and solid-liquid interfaces respectively, and \theta is the angle of contact at the solid-liquid interface, then [AP EAPCET 19 May 2024 Shift 2]

Correct Answer is : S1cosθ+S3=S2

{\S}_1 \cos \theta+ {\S}_2 \sin \theta= {\S}_3

{\S}_1 \cos \theta+ {\S}_3= {\S}_2

{\S}_2 \cos \theta+ {\S}_3= {\S}_1

{\S}_3 \cos \theta+ {\S}_1= {\S}_2

Fluid Mechanics

Section: Physics

Question : 17 of 18

Marks: +1, -0

If S1,S2 and S3 are the tensions at liquid-air, solid-air and solid-liquid interfaces respectively, and θ is the angle of contact at the solid-liquid interface, then

[AP EAPCET 19 May 2024 Shift 2]

S1‌cos‌θ+S2sin‌θ=S3
S1‌cos‌θ+S3=S2
S2‌cos‌θ+S3=S1
S3‌cos‌θ+S1=S2

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