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EM Wave Propagation
AP Physics 2 · Unit 12 Electromagnetism
Learning Objectives
E and B fields oscillate perpendicular to each other
Both perpendicular to propagation direction
c = λf = 3×10⁸ m/s
E/B = c at all times
Key Relations
c = λf = 3×10⁸ m/s
E₀/B₀ = c
E ⊥ B ⊥ k̂
S = (1/μ₀)E×B
Tags
EM wave
E field
B field
propagation
AP Physics 2
Frequency
1.0
Amplitude
1.0
Speed
1.0
■
E-field (vertical plane)
■
B-field (horizontal plane)
→
Propagation direction (x)