Physics

Physics

Problem

For a particular flint glass the polarising angle for yellow light (λ=589 nm\lambda = 589\,\text{nm}) is 57.0∘57.0^{\circ}. For blue light (λ=450 nm\lambda = 450\,\text{nm}) it is 58.5∘58.5^{\circ}. Assuming the refractive index follows Cauchy’s formula μ(λ)=A+Bλ2\mu(\lambda)=A + \dfrac{B}{\lambda^{2}} with λ\lambda in μm\mu\text{m}, determine the value of the constant BB (in μm2\mu\text{m}^{2}). a) 0.0900.090 b) 0.0450.045 c) 0.0300.030 d) 0.0150.015

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