1. Light behaves like _____. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.both a wave and a particle, because of its dual nature 2.a particle 3.a wave 4.a wave at times, and a particle at other times

2. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.Ole Roemer 2.Armand Fizeau 3.Isaac Newton 4.Christian Huygens 5.Albert Einstein

3. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

4. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

5. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.402 2.200 3.472 4.845 5.322

6. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.0.50 2.0.90 3.1.11 4.0.80 5.1.42

7. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.1.6 2.2.8 3.1.2 4.2.4 5.0.2

8. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

9. Two mirrors are at right angles to one another. If an object is placed near the mirrors, what is the largest number of images that would be seen in the mirrors? 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.3 2.6 3.2 4.4 5.5

10. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.71 2.42 3.65 4.48 5.56

11. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.98 2.69 3.65 4.56 5.43

12. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.0.1 2.1.6 3.1.9 4.7.0 5.7.9

13. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.74 2.32 3.42 4.53 5.21

14. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

15. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

16. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

17. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

18. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

19. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

20. In the movies, you sometimes see an actor looking in a mirror and you can see his face in the mirror. During the filming of this scene, what does the actor see in the mirror? 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.His face. 2.Your face. 3.The director's face. 4.The movie camera. 5.Impossible to determine.

21. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.2. 3. 4.5.

22. Light passes from a material with index of refraction 1.3 into one with index of refraction 1.2. Compared to the incident ray, the refracted ray _____. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.bends toward the normal 2.is undeflected 3.bends away from the normal

23. As light from the Sun enters the atmosphere, it refracts due to the small difference between the speeds of light in air and in vacuum. The optical length of the day is defined as the time interval between the instant when the top of the Sun is just visibly observed above the horizon to the instant at which the top of the Sun just disappears below the horizon. The geometric length of the day is defined as the time interval between the instant when a geometric straight line drawn from the observer to the top of the Sun just clears the horizon to the instant at which this line just dips below the horizon. Which is longer? 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.The optical length of a day. 2.The geometric length of a day.

24. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.Crown glass. 2.Acrylic. 3.Fused quartz. 4.Impossible to determine.

25. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.1 2.2 3.3 4.4 5.5

26. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.clockwise 2.counterclockwise

27. 1234567891011121314151617181920 2122232425262728293031323334353637383940 41424344454647484950 1.violet 2.green 3.red 4.impossible to determine