Category 1

1. Category 1 10 20 30 40 50 Category 2 10 20 30 40 50 Category 3 10 20 30 40 50 Category 4 10 20 30 40 50 Category 5 10 20 30 40 50

2. Category 1 questions follow

3. Light behaves as a (wave, particle) when it interacts with matter and the photoelectric effect 10 Category 1

4. Light behaves as a particlewhen it interacts with matter and the photoelectric effect Light behaves as a (wave) when it travels from one place to another 10 Category 1

5. What is a laser? 20 Category 1

6. LASER is monochromatic, coherent and in Phase type of light  LASER stands for Light Amplification by Stimulated Emission of Radiation 20 Category 1

7. When light Is reflected, the wavelength, frequency and speed remain the same as the incident wave Has the same natural frequency in a material, the light is absorbed Enters a water- air interface, it will always bend toward the normal all of these are correct. 30 Category 1

8. When light Is reflected, the wavelength, frequency and speed remain the same as the incident wave Has the same natural frequency in a material, the light is absorbed Enters a water- air interface, it will always bend toward the normal all of these are correct. 30 Category 1

9. Small particles are more likely to react with ___ frequencies. Low high 40 Category 1

10. Small particles are more likely to react with ___ frequencies. . high 40 Category 1

11. Interference Occurs in sound, light and water waves Can be constructive or destructive Both of these are correct 50 Category 1

12. Interference Occurs in sound, light and water waves Can be constructive or destructive Both of these are correct 50 Category 1

13. Category 2 questions follow

14. If the sun appeared to “go out” at 12:00 noon today, and it takes 8 minutes for light to get here, at what time did something occur? 10 Category 2

15. If the sun appeared to “go out” at 12:00 noon today, and it takes 8 minutes for light to get here, at what time did something occur? 8 minutes before 12:00 Noon 10 Category 2

16. Light always bends toward the Normal Concave lens laser 20

17. Light always bends toward the Normal 20 Category 2

18. EM waves Always travel at light speed through all mediums It is produced by oscillating electric and magnetic fields. Penetrate the atmosphere equally by all types Have the same speed but a different angle when they are reflected off a surface. 30 Category 2

19. EM waves Always travel at light speed through all mediums- change speed based on medium It is produced by oscillating electric and magnetic fields. Penetrate the atmosphere equally by all type by the visible part of the spectrum Have the same speed but a differentand the same angle when they are reflected off a surface. 30 Category 2

20. Which is NOT correct? The complementary color of blue is yellow Polarized lens block 50 % of light Colored objects in sunlight are cooler than clear objects Converging lens magnify an object 40 Category 2

21. Which is NOT correct? The complementary color of blue is yellow Polarized lens block 50 % of light Colored objects in sunlight are cooler than clear objects Converging lens magnify an object 40 Category 2

22. Which is correct about a solar eclipse? The sun is between the earth and moon The penumbra is the darkest area in an eclipse The moon produces a shadow on the earth 50 Category 2

23. Which is correct about a solar eclipse? The sun is between the earth and moon The penumbra is the darkest area in an eclipse The moon produces a shadow on the earth 50 Category 2

24. Category 3 questions follow

25. The brightest color to the human eye is _________ 10 Category 3

26. The brightest color to the human eye is _________ Yellow-green 10 Category 3

27. According to Fermat’s Principle- Light travels based on the principle of ____________ 20 Category 3

28. According to Fermat’s Principle- Light travels based on the principle of ____________ Least time 20 Category 3

29. Place the following in the order that the speed of light would travel starting with the slowest Glass, air, vacuum, water 30 Category 3

30. Place the following in the order that the speed of light would travel starting with the slowest Glass, water, air, vacuum 30 Category 3

31. For color The 3 primary colors red, blue and green produce black The 3 primary Subtractive color added together produce white light. The object appears to be the color that is reflected. When 3 complementary colors are added they produce white light. 40 Category 3

32. In color The 3 primary colors red, blue and green produce black (white) The 3 primary Subtractive color added together produce white light. (black) The object appears to be the color that is reflected. When 3 2 complementary colors are added they produce white light. 40 Category 3

33. Which is NOT correct about the cause of color in the following? Water absorbs red and cyan is reflected Clouds are white because they are made of many sizes of particles which reflect light The sky is blue because air molecules resonate, scattering blue light. Red sunsets are caused by the shorter wavelengths and high energy ray of red light 50 Category 3

34. Which is NOT correct about the cause of color in the following? Water absorbs red and cyan is reflected Clouds are white because they are made of many sizes of particles which reflect light The sky is blue because air molecules resonate, scattering blue light. Red sunsets are caused by the shorter wavelengths and high energy ray of red light 50 Category 3

35. Category 4 questions follow

36. What is the source of the light for a candle and stars? Bright objects Electrons reflection 10 Category 4

37. What is the source of the light for a candle and stars? . Electrons . 10 Category 4

38. Color Depends on the frequency of the light For ink printers include 4 colors + black Red has the highest frequency, shortest wavelength and most energy of visible light Blue and green produce magenta 20 Category 4

39. Color Depends on the frequency of the light For ink printers include 4 colors + black (3 + black) RedVIOLET has the highest frequency, shortest wavelength and most energy of visible light Blue and green produce magentacyan 20 Category 4

40. Reflections Makes days longer but things in water seem closer Cause mirages and twinkling stars, internal reflection and rainbows Cause the bending of light, when a surface is warmer (mirage) Of an object and its image In a plane mirror lie equal distances from the mirror A, b, c and d are correct 30 Category 4

41. Reflections Makes days longer but things in water seem closer REFRACTION Cause mirages and twinkling stars, internal reflection and rainbows REFRACTION Cause the bending of light, when a surface is warmer (mirage) REFRACTION Of an object and its image In a plane mirror lie equal distances from the mirror REFLECTION A, b, c and d are correct NOT 30 Category 4

42. Which does your peripheral vision see first? Color motion 40 Category 4

43. Which does your peripheral vision see first? Color motion 40 Category 4

44. What is NOT true about your vision? The blind spot is where the optic nerve is attached to the retina When you like something, your pupils dilate Your best vision is at the optic nerve Your vision is sharpest when your pupils are constricted Chromatic aberration is caused due to colors have different speeds. 50 Category 4

45. What is NOT true about your vision? The blind spot is where the optic nerve is attached to the retina When you like something, your pupils dilate Your best vision is at the optic nerve= at fovea Your vision is sharpest when your pupils are constricted Chromatic aberration is caused due to colors have different speeds. 50 Category 4

46. Category 5 questions follow

47. Rainbows are Caused by a group of rain drops , each dispersing all the colors of the rainbow Formed in a circle, but the ground is in the way. an optical and meteorological phenomenon that is caused by both reflection and refraction of light in water droplets in the Earth's atmosphere, resulting in a spectrum of light appearing in the sky. All of these 10 Category 5

48. Rainbows are Caused by rain drops , each dispersing all the colors of the rainbow Formed in a circle caused by both reflection and refraction of light in water droplets All of these 10 Category 5

49. The color dots that make up color on a TV screen are _______________, _____________ and _____________ 20 Category 5

50. The color dots that make up color on a TV screen are Red, blue and green 20 Category 5