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Question 20213
JEE Physics · Hard

Electromagnetic Waves and Wave Optics: Phase Difference and Path Difference MCQ

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Phase Difference and Path DifferenceHardQuestion 20213

Question

Path difference of λ/3 corresponds to a phase difference of:
  1. A
    2π/3
    Correct
  2. B
    π/3
  3. C
    4π/3
  4. D
    π/6

Correct answer

2π/3

Explanation

Phase difference φ = (2π/λ) × path difference = (2π/λ) × (λ/3) = 2π/3 radians.

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