Light: Geometric Optics (id: 0ee3bed96)

本题目来源于试卷: Light: Geometric Optics，类别为 IB物理学

[填空题]
The critical angle of:t4f5szi + v u7bum4 vms+ 8h2-jkvuoq a 5,g zl)xkwz)7 fb5zc)lnv- fv certain piece of plastic in air is $\theta_{\mathrm{C}}=37.3^\circ.$ What is the critical angle of the same plastic if it is immersed in water?    $^{\circ}\,$

参考答案: 53.7±2%


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