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MHT CET Physics question

PhysicsWave OpticsMHT CET

Air has refractive index 1.0003. The thickness of air column, which will have one more wavelength of yellow light (6000 Å) than in same thickness of vacuum, is

Answer: (A)

Solution

Extra waves = t(μ−1)/λ = 1 so t = 6000×10⁻¹⁰ m/0.0003 = 2×10⁻³ m = 2 mm; the

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Question ID VK-076949