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Formula Sheet

Doppler effect — Formula Sheet

ICSE · Class 11 · Physics

10 formulas from Doppler effect (ICSE Class 11 Physics) on one page, grouped by topic. Part of the ICSE Class 11 Physics syllabus.

40 questions30 flashcards10 formulas & key relations5 concepts

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10 Entries · 4 Sections

Formulas and Key Relations

2. Sound: Stationary Source and Moving Source/Observer

λ = v/n

λ' = (v - v_s)/n

n' = n(v/(v - v_s))

n' = n((v + v_o)/v)

3. Reflected Sound and Non-Collinear Motion

n1 = n(v/(v - v_c))

n_ap = n((v + v_c)/(v - v_c))

n_ap = n[(v + v2 cosθ2)/(v - v1 cosθ1)]

4. Light: Doppler Effect and Doppler Shift

n' = n√[(1 + (v/c))/(1 - (v/c))]

Δλ = (v/c)λ

Start with stationary source formula λ = v/n.

Full sheet with units and worked examples

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Frequently Asked Questions

What are the important topics in Doppler effect for ICSE Class 11 Physics?
Key topics in Doppler effect include Doppler Effect in Sound, Reflected Sound, Non-Collinear Motion, Doppler Effect in Light. Study these first, then practise questions on each for Class 11 exams.
How many formulas are in Doppler effect?
This sheet lists 10 formulas from Doppler effect, grouped by topic. Learn what each symbol stands for so you can apply the formula, not just recall it.
How should I revise Doppler effect for Class 11 exams?
Learn the core ideas first, then work through the 40 practice questions on Doppler effect. 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 Doppler effect

All ICSE Class 11 Physics Formula Sheet

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