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SME IB Physics Unit 4 Problems (id: f031a0a35)

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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

[单选题]
This diagram below shows two ape: x.o,bieb t q;y2 dlz3e:s1zkrtures through whigs:u5rqr 6sf:x13y h och planar waves are passed as they are moving to the left. The wavefronts sho3sfx 1rhuqo56rs: y :gw crests moving in phase. Given this information, at which point will the amplitude of the waves be a minimum?



A flat plate made of glass has a refractive index of $n=1.52$. What is the speed of light within this material?

A. $1.36 \times 10^{8} \mathrm{~m} \mathrm{~s}^{-1}$
B. $1.67 \times 10^{8} \mathrm{~ms}^{-1}$
C. $1.97 \times 10^{8} \mathrm{~m} \mathrm{~s}^{-1}$
D. $2.66 \times 10^{8} \mathrm{~m} \mathrm{~s}^{-1}$


参考答案:  C


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