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Understanding Light: Key Concepts and Properties

Explore the nature of light, from photons to electromagnetic waves, and learn about its behaviors like reflection, refraction, and absorption. Discover the speed of light and its energy levels in this comprehensive review.

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Understanding Light: Key Concepts and Properties

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  1. Chapter 15 Review Sound and Light

  2. Light comes from: • Electrons falling from high energy to lower energy states • Mirrors • Electrons falling from low energy state to higher energy states • None of the above

  3. Light comes from: • Electrons falling from high energy to lower energy states • Mirrors • Electrons falling from low energy state to higher energy states • None of the above

  4. What is the speed of light in a vacuum, like in space? • 340 m/s • 3 x 108 m/s • 300 m/s • 30000 m/s

  5. What is the speed of light in a vacuum, like in space? • 340 m/s • 3 x 108 m/s • 300 m/s • 30000 m/s

  6. The speed of light is fastest in a: • Solid • Liquid • Gas • Doesn’t matter

  7. The speed of light is fastest in a: • Solid • Liquid • Gas • Doesn’t matter

  8. Light can be modeled as: • Electromagnetic waves • Photons • Rays that travel in straight lines • All of the above

  9. Light can be modeled as: • Electromagnetic waves • Photons • Rays that travel in straight lines • All of the above

  10. tiny, particle bundles of light radiation are called: • Photons • Hyperwaves • Absorbation • Radiation

  11. tiny, particle bundles of light radiation are called: • Photons • Hyperwaves • Absorbation • radiation

  12. Brightness of light depends on: • Frequency • Amplitude • Intensity • period

  13. Brightness of light depends on: • Frequency • Amplitude • Intensity • period

  14. The energy of a photon is proportional to its: • Amplitude • Wavelength • Frequency • Speed of light

  15. The energy of a photon is proportional to its: • Amplitude • Wavelength • Frequency • Speed of light

  16. The lowest electromagnetic radiation: • Radiowaves • Microwaves • Gamma rays • UV rays

  17. All of the different types of light energies make up the: • Visible Light • Electromagnetic Spectrum • Color Wheel • None of the above

  18. All of the different types of light energies make up the: • Visible Light • Electromagnetic Spectrum • Color Wheel • None of the above

  19. The lowest electromagnetic radiation: • Radiowaves • Microwaves • Gamma rays • UV rays

  20. The highest energy electromagnetic radiation: • Radiowaves • Microwaves • Gamma rays • UV rays

  21. The highest energy electromagnetic radiation: • Radiowaves • Microwaves • Gamma rays • UV rays

  22. The highest energy color of visible Light is: • Red • Orange • Blue • Violet

  23. The highest energy color of visible Light is: • Red • Orange • Blue • Violet

  24. Pick the type of EM light that has the Highest Frequency: • X-Ray • Ultraviolet • Infrared • Microwave

  25. Pick the type of EM light that has the Highest Frequency: • X-Ray • Ultraviolet • Infrared • Microwave

  26. Pick the type of EM light that has the Lowest Frequency: • Gamma • Ultraviolet • Visible Light • Radiowaves

  27. Pick the type of EM light that has the Lowest Frequency: • Gamma • Ultraviolet • Visible Light • Radiowaves

  28. Pick the type of EM light that has the Longest Wavelength • Gamma • Ultraviolet • Visible Light • X rays

  29. Pick the type of EM light that has the Longest Wavelength • Gamma • Ultraviolet • Visible Light • Xrays

  30. Pick the type of UV radiation that is responsible for tanning • UVA • UVB • UVC • UVD

  31. Pick the type of UV radiation that is responsible for tanning • UVA • UVB-burning/cancer • UVC-cancer/sterilization • UVD

  32. Pick the type of Visible light that has the longest wavelength and lowest energy • Yellow • Blue • Orange • Indigo

  33. Pick the type of Visible light that has the longest wavelength and lowest energy • Yellow • Blue • Orange • Indigo

  34. Pick the type of EM Radiation that is used in your cell phones • Radiowaves • Microwaves • Infrared • Ultraviolet

  35. Pick the type of EM Radiation that is used in your cell phones • Radiowaves • Microwaves • Infrared • Ultraviolet

  36. Something that absorbs or reflects all light is said to be: • Opaque • Reflective • Transparent • Translucent

  37. Something that absorbs or reflects all light is said to be: • Opaque • Reflective • Transparent • Translucent

  38. White light contains: • All primary colors • All secondary colors • All visible light • None of the above

  39. White light contains: • All primary colors • All secondary colors • All visible light • None of the above

  40. In white light, an object: • Reflects all colors you see • Refracts all colors you see • Absorbs all color you see • A&B

  41. In white light, an object: • Reflects all colors you see • Refracts all colors you see • Absorbs all color you see • A&B

  42. Which is NOT a color of a cone in your retina? • Red • Yellow • Green • blue

  43. Which is NOT a color of a cone in your retina? • Red • Yellow • Green • blue

  44. Red cones absorb • Red and orange • Yellow and green • Red and yellow • Blue and violet

  45. Red cones absorb • Red and orange • Yellow and green (green cones) • Red and yellow • Blue and violet (blue cones)

  46. What are the three primary LIGHT colors? • Red, Yellow, Blue • Blue, Yellow, Green • Red, Blue, Green • Green, Red, Yellow

  47. What are the three primary LIGHT colors? • Red, Yellow, Blue • Blue, Yellow, Green • Red, Blue, Green • Green, Red, Yellow

  48. Which of the following is NOT a primary pigment color? • Magenta • Yellow • Cyan • green

  49. Which of the following is NOT a primary pigment color? • Magenta • Yellow • Cyan • green

  50. Primary pigment colors are __________ colors and combine to form___________ • Additive, black • Additive, white • Subtractive, black • Subtractive, white

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