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Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
Lesson 12   wave interactions
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Lesson 12 wave interactions

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  • 1. 1. Complete Warm-Up for March 29th.2. Get your journal ready. Add two pages of guided notes to the next 3/28/12 available page. D. Goldsberry3. Time Limit: 8 minutes
  • 2. D. Goldsberry 3/28/12
  • 3. D. Goldsberry 3/28/12
  • 4. S8P5:Students will explore the 3/28/12wave nature of sound D. Goldsberryand electromagneticradiation.
  • 5. a. Identify the characteristics of electromagnetic and mechanical waves.b. Describe how the behavior of light waves is manipulated causing reflection, refraction diffraction, and absorption. 3/28/12c. Explain how the human eye sees objects and colors in terms of wavelengths. D. Goldsberryd. Describe how the behavior of waves is affected by medium (such as air, water, solids).
  • 6. What happens when a wave 3/28/12runs into a differentmedium? D. Goldsberry
  • 7. 1.Reflection2.Refraction 3/28/123.Diffraction D. Goldsberry4.Interference5.Polarization
  • 8.  occurs when a wave strikes an object and bounces off occurs with all types of waves 3/28/12 obeys the Law of Reflection – the D. Goldsberry angle of incidence is equal to the angle of reflection
  • 9. D. Goldsberry 3/28/12
  • 10. D. Goldsberry 3/28/12
  • 11.  When a wave enters a new medium at an angle, one side of the wave 3/28/12 changes speed before the other side, causing the wave to bend. D. Goldsberry
  • 12. D. Goldsberry 3/28/12
  • 13. D. Goldsberry 3/28/12
  • 14. • amount of bending depends on the speed of light in both materials 3/28/12 a) the greater the difference D. Goldsberry between the speeds of light in the two media, the more the light is bent
  • 15. b) if light slows down as it passes into the new medium, the light is 3/28/12 bent towards the normal (an imaginary line drawn D. Goldsberry perpendicularly through the surface of the material)
  • 16. c) if light speeds up as it passes into the new medium, the light is 3/28/12 bent away from the normal D. Goldsberry
  • 17. D. Goldsberry 3/28/12
  • 18. D. Goldsberry 3/28/12
  • 19. D. Goldsberry 3/28/12
  • 20. D. Goldsberry 3/28/12
  • 21. amount of refraction depends on the wavelength of the light: 3/28/12 red light is bent the least D. Goldsberry violet light is bent the most white light can be separated into colors by refraction in a prism
  • 22. D. Goldsberry 3/28/12
  • 23.  bending of light around a barrier 3/28/12 occurs with all types of waves D. Goldsberry
  • 24. • caused when light waves overlapeach other a) constructive – interact to build 3/28/12 up wave b) destructive – interact to reduce D. Goldsberry wave
  • 25. •occurs in all types of waves• white light can be separated into 3/28/12colors by diffraction and interference D. Goldsberryusing a diffraction grating
  • 26. D. Goldsberry 3/28/12
  • 27.  Ordinary light has waves thatvibrate in all directions 3/28/12 D. Goldsberry
  • 28. D. Goldsberry 3/28/12
  • 29.  A polarizing filter acts as thoughit has tiny slits in one direction. 3/28/12Only some of the light (vibrating inthe same way as the slit) can pass D. Goldsberrythrough a polarized filter
  • 30. D. Goldsberry 3/28/12
  • 31.  Best example of a polarized filteris a pair of sunglasses! 3/28/12 D. Goldsberry
  • 32. D. Goldsberry 3/28/12
  • 33. Review ActivityD. Goldsberry 3/28/12
  • 34. In refraction,light bends 3/28/12because _?_ D. Goldsberry
  • 35. What occurswhen a wave 3/28/12strikes anobject and D. Goldsberrybounces off?
  • 36. Which colorbends the least 3/28/12when it passes D. Goldsberryinto glass?
  • 37. If light passes from airinto a medium that willslow it down, light will 3/28/12bend… D. GoldsberryTowards the normal oraway from the normal?
  • 38. In diffractionlight bends 3/28/12because __?__ D. Goldsberry
  • 39. Which of thefollowing can beused to separate 3/28/12white light into itsspectrum colors? D. Goldsberry(reflection,refraction, ordiffraction)
  • 40. When waves overlapeach other, ___occurs. 3/28/12(reflection, refraction D. Goldsberryor interference)

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