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Question 20226
JEE Physics · Medium

Electromagnetic Waves and Wave Optics: Brewster's Angle Calculation MCQ

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Brewster's Angle CalculationMediumQuestion 20226

Question

Brewster's angle for a glass–air interface (n = 1.5) is approximately:
  1. A
    56°
    Correct
  2. B
    34°
  3. C
    45°
  4. D
    60°

Correct answer

56°

Explanation

tan θ_B = n = 1.5 → θ_B = tan⁻¹(1.5) ≈ 56.3°.

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