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Chapter 8 of 30
Formula Sheet

Surface Tension

ICSE · Class 11 · Physics

All formulas from Surface Tension in ICSE Class 11 Physics. Key equations, constants, and identities for board exam preparation.

44 questions28 flashcards5 concepts

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9 Formulas · 2 Sections

Formulas

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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Frequently Asked Questions

What are the important topics in Surface Tension for ICSE Class 11 Physics?
Key topics in Surface Tension include Flowchart showing conditions for capillary rise and depression, Flowchart showing how molecular imbalance at the liquid surface creates surface tension, Flowchart showing step-by-step derivation of capillary rise formula. These are the concepts ICSE Class 11 examiners draw on most — study them first, then practise related questions.
How to score full marks in Surface Tension — ICSE Class 11 Physics?
Understand the core concepts first, then work through the 44 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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