- #1

clipperdude21

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**Snell's Law and Light!**

**1. Use Snell's Law to show that a light ray which enters glass plane of wfinite width does not change direction when it exits the plate.**

**2. sin(theta in)/sin(theta refracted)= n2/n1**

**3. I know that if lamda in medium 1 does not equal lamda in medium 2, the direction of the wave changes. To show that the wave doesn't change directions we would need to show that lamba 1= lamda 2?**