1. Review Game Eureeka

2. keep your own score You lose all the points in the round if you get a question incorrect

4. Compared to the speed of light in medium x, the speed of light in medium z is... faster slower

5. Draw what occurs when light shines through a double slit. Be sure to label the central maximum and the first maximum How would the central maximum change if there were only one slit?

6. What is the approximate speed of light in water? 2.24 x 10 8 m/s

7. Which ray illustrates refractions?

8. In which medium does light travel the slowest? Zircon Corn oil Glycerol water

9. The diagram represents light waves emitted simultaneously from a single source. Is the light monochromatic? Is the light coherent?

10. What happens when light passes form water into flint glass? The speed.... The wavelength... The frequency...

11. As a wave travels b/t two points in a medium, the wave transfers Energy only Mass only Both mass and energy Neither energy nor mass

12. Write an equation that correctly represents the relationship between velocity, wavelength and period of a wave. V = λ / T

13. Hertz is a unit to describe what? Seconds it takes to complete a cycle Cycles of a wave completed in one second Points that are in phase along one meter of wave Points that are out of phase along one meter of wave.

14. The diagram shows a transverse wave moving to the right. As the wave passes point x what will be its direction of motion x

15. What can be said about the speed of A vs. B? A B

16. What can be said about the energy is A vs. B

17. Which two points on the wave are in phase?

18. Draw a wave that shows two wavelengths Adjust the wave so that is hitting a barrier and becoming a standing wave If the wave travels and 10 m/s and is 2-m long, what is the frequency?

19. Assume there are two joggers being passed by a speeding motorcycle Describe the sound being heard by each jogger

20. Draw a diagram of the image formed after placing the object in front of the mirror below.

21. The index of refraction for a substance is 2.0 If the wavelength of light is 5.0 x 10 -7 -meters, what would be the critical angle for the light incident on a boundary with air? 30 o

22. What is the phase difference between the below waves?

23. p What phenomenon occurs at point p? --- troughs ___ crests Constructive interference