Physics · Wave Optics
The path difference between two waves given by the equations y1 = a1 sin(ωt - 2πxλ) and y2 = a2 sin(ωt - 2πxλ + φ) is:
- 1λπφ
- 2λπ(φ - π2)
- 3λ2πφ✓
- 4λ2π(φ - π2)
Correct answer
λ2πφ
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