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SME IB Physics Unit 4 Problems (id: 92414e34d)

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Post time 2024-1-26 22:03:40 | Show all posts |Read mode
本题目来源于试卷: SME IB Physics Unit 4 Problems,类别为 IBDP Physics

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A ray of light is incident on a material made from three zaft3b -(if9e-iuw4 p layerzcli64;i5dl,y)2n sjjhq vjn v9* d8a xr/4wvs, each having a different optical density, so that in 6zd 5w*9lx q )j44vi2/d8, rlnjivsnj avy;cheach layer the light travels at a different speed.

- For layer 1: refractive index $=n_{1}$ and the speed of light $=c_{1}$

- For layer 2: refractive index $=n_{2}$ and the speed of light $=c_{2}$

- For layer 3: refractive index $=n_{3}$ and the speed of light $=c_{3}$

- Angle of incidence $=i$

- Angle of refraction $=r$

This is illustrated in the diagram below:




Which is the correct expression for $c_{3}$, the speed of light in the thirdlayer?

A. $\frac{c_{1} n_{1}}{n_{3}}$
B. $\frac{c_{2} n_{2}}{n_{3}}$
C. $\frac{c_{1} n_{1}}{n_{2}}$
D. $\frac{c_{2} n_{2}}{\sin \left(r_{3}\right)}$


参考答案:  B


本题详细解析: 暂无
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