Surface Tension — Formula Sheet
ICSE · Class 11 · Physics
9 formulas from Surface Tension (ICSE Class 11 Physics) on one page, grouped by topic. Covers Surface Energy, Work Done.
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Formulas and Key Relations
1. Surface Tension and Surface Energy
T = F/l
W = T × ΔA
T = W/ΔA
T = F/l [F = force acting along the imaginary line, l = length of the line]
4. Capillarity and Capillary Rise
T = r[h+(r/3)]ρg / (2cosθ)
T ≈ rhρg / (2cosθ)
T = rhρg/2
hR = 2T/(ρg) = constant
h'R' = hR
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