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Formula Sheet

Wave Motion — Formula Sheet

ICSE · Class 11 · Physics

15 formulas from Wave Motion (ICSE Class 11 Physics) on one page, grouped by topic. Part of the ICSE Class 11 Physics syllabus.

60 questions38 flashcards15 formulas & key relations5 concepts

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A comparison showing the key differences between mechanical waves (requiring a medium, e.g., sound, water waves) and electromagnetic waves (not requiring a medium, e.g., light, radio waves). Include e
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15 Entries · 5 Sections

Formulas and Key Relations

2. Speed of Waves in Solids, Liquids, and Strings

v = √(η/ρ)

v = √(T/m)

v = √(stress/density)

v = √[(B + (4/3)η)/ρ]

v = √(Y/ρ)

3. Newton's Formula and Laplace's Correction

v = √(P/ρ)

v = √(γP/ρ)

γ = Cp/Cv

v = √(γRT/M)

v_t = v0(1 + t/(2×273)) = (331 + 0.61t) m/s

4. Effect of Pressure, Temperature, Humidity, Wind, and Frequency

P/ρ = RT/M

v = (v + w cos θ)

Newton’s Formula and Laplace’s Correction

Newton’s formula for the speed of sound in gases is v = √(P/ρ).

Key relations

For a long rod or bar, v = √(Y/ρ).

In liquids, v = √(B/ρ).

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Frequently Asked Questions

What are the important topics in Wave Motion for ICSE Class 11 Physics?
Key topics in Wave Motion include Mechanical Waves and Basic Ideas, Speed of Wave Motion in Solids, Liquids and Strings, Newton’s Formula and Laplace’s Correction, Variation of Speed of Sound in Air. Study these first, then practise questions on each for Class 11 exams.
How many formulas are in Wave Motion?
This sheet lists 15 formulas from Wave Motion, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Wave Motion for Class 11 exams?
Learn the core ideas first, then work through the 60 practice questions on Wave Motion. Revise 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.

More resources for Wave Motion

All ICSE Class 11 Physics Formula Sheet

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