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Light Waves

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nlahoud
nlahoud

This power point is for IB HL and LS-GS Lebanese program

Bildung
1 von 12
[object Object]
1. HUYGENS' PRINCIPLE ,[object Object],[object Object]
. . . . . . . Consider several points on the wave front to be sources of secondary wavelets. . . . . . . .
2. DIFFRACTION ,[object Object],[object Object]
 
[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object]
AM band radio waves travel farther than FM band radio waves because (a) AM waves travel faster than FM waves (b) AM wavelengths are shorter than FM wavelengths (c) AM waves are scattered more than FM waves (d) AM waves are diffracted more than FM waves (d) AM waves are diffracted more than FM waves
If laser light passes by a hair, a pattern of light and dark can be seen on a properly placed screen. What phenomenon (phenomena) is (are) being observed? ,[object Object],[object Object],[object Object],[object Object],[object Object],(a) diffraction
 
 
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Light Waves

  • 1.
  • 2.
  • 3. . . . . . . . Consider several points on the wave front to be sources of secondary wavelets. . . . . . . .
  • 4.
  • 5.  
  • 6.
  • 7.
  • 8. AM band radio waves travel farther than FM band radio waves because (a) AM waves travel faster than FM waves (b) AM wavelengths are shorter than FM wavelengths (c) AM waves are scattered more than FM waves (d) AM waves are diffracted more than FM waves (d) AM waves are diffracted more than FM waves
  • 9.
  • 10.  
  • 11.  
  • 12. Back