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Class 11 Physics: Waves Formulas (PDF) — All Important Formulas Free

Free class 11 physics: waves formulas — all 6 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams, JEE & NEET. No signup.

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TL;DR: Free class 11 physics: waves formulas — all 6 key formulas on one page, downloadable as PDF for fast revision before CBSE board exams, JEE & NEET. No…

Written & reviewed by the Syllab.in Academic Team (CBSE/NCERT subject experts) · Updated Jun 25, 2026

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All Waves formulas for Class 11 Physics (CBSE / NCERT) on one page — fast revision for board exams, JEE & NEET. 100% free, no login, download as PDF.

Waves — Key Formulas

FormulaExpression
Wave Equationv = fλ (velocity = frequency × wavelength)
Wave Speed (String)v = √(T/μ) (tension/linear mass density)
IntensityI = P/A = ½ρvω²A²
Doppler Effectf' = f × (v ± v_observer)/(v ± v_source)
Beatsf_beat = |f₁ − f₂|
Sound Intensity Levelβ = 10 log(I/I₀) dB

FAQs

What are the most important Waves formulas for Class 11?

This sheet lists all 6 key Waves formulas from the Class 11 Physics CBSE/NCERT syllabus, ready for quick revision.

Is this Waves formula sheet free to download?

Yes — every Syllab.in formula sheet is 100% free, needs no login, and can be saved as a PDF.

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