Waves+Review+Problems+Answer+Key

1) Diffraction

2) Reflection

3) Reflection

4) Flint glass (highest index of refraction)

5) 27.7 degrees; ray C (light slows down, the angle decreases and the ray gets closer to the normal)

6) 1.67

7) Speed

8) decreases

9) 6.12 x 10^-7 m

10) Speed and wavelength

11) 4.01 x 10^-7 m

12) 3.99 x 10^-7 m

13) n = 1.33 --> WATER