Chapter 16 of 28
Formula Sheet
Electromagnetic Waves — Formula Sheet
KEAM · Physics
Free Electromagnetic Waves formula sheet for KEAM Physics 2026 — all important formulas, equations, and constants for quick reference.
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Important formulas and equations from Electromagnetic Waves for KEAM Physics.
Formulas — Electromagnetic Waves
Displacement Current & Ampere's Law
ID = ε₀(dΦE/dt)∮B⋅dl = μ₀[I + ε₀(dΦE/dt)]c = 1/√(μ₀ε₀)Maxwell's Equations
∮E⋅dS = q/ε₀∮B⋅dS = 0∮E⋅dl = -d/dt∮B⋅dS∮B⋅dl = μ₀[I + ε₀(dΦE/dt)]Electromagnetic Wave Properties
E = E₀sin(kz - ωt)B = B₀sin(kz - ωt)E/B = c or E₀/B₀ = cv = 1/√(με)Energy and Momentum in EM Waves
u = ε₀E²rms = B²rms/μ₀uE = uB = u/2p = U/cPressure = Intensity/cGet the complete formula sheet with derivations — continue in Super Tutor
Frequently Asked Questions
What topics are covered in Electromagnetic Waves for KEAM?
Electromagnetic Waves is an important chapter in KEAM Physics. It covers key concepts and formulas that are frequently tested in the exam. Key topics include: 8.1 Introduction and Maxwell's Contributions, 8.2 Displacement Current and Modified Ampere's Law, 8.3 Maxwell's Four Equations, 8.4 Electromagnetic Waves - Generation and Properties.
How important is Electromagnetic Waves for KEAM?
Electromagnetic Waves is a frequently tested chapter in KEAM Physics. Questions from this chapter appear regularly in previous year papers. There are 230 practice questions available for this chapter.
How to prepare Electromagnetic Waves for KEAM?
Start by understanding the core concepts, then solve practice questions. Focus on formulas and their applications. Use revision notes for quick review before the exam.
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