anonymous
  • anonymous
how do electric field lines look on a spherical wave front created by a point source of light?
Physics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
Can you phrase that a bit better please.
anonymous
  • anonymous
|dw:1361889363650:dw| this is for a ray
anonymous
  • anonymous
i.e. plane wave front can do the same for sperical wavefront

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anonymous
  • anonymous
I'm thinking huygens principle
anonymous
  • anonymous
|dw:1361889464131:dw|
anonymous
  • anonymous
polarizing light?
anonymous
  • anonymous
I haven't learnt about electric field lines produced by photons
anonymous
  • anonymous
light is an electromagnetic wave, right?
anonymous
  • anonymous
so i want to know what do electric field vectors look like for a spherical wave front
anonymous
  • anonymous
ah okay, so the point source can be treated as the center of the sphere, and light is propagating in all directions away from this point? you want to know the electric field vectors it produces?
anonymous
  • anonymous
|dw:1361889809337:dw|
anonymous
  • anonymous
yes
anonymous
  • anonymous
max wells equations will sort you out
anonymous
  • anonymous
http://www.irregularwebcomic.net/annotations/annot1420a.gif
anonymous
  • anonymous
Maxwell's*
anonymous
  • anonymous
how do i use them to solve this problem? can you solve this problem please
anonymous
  • anonymous
|dw:1361890486162:dw|
anonymous
  • anonymous
intensity at surface of the sphere \[I = \frac{ S }{ 4\pi r^2 }\] Each square follows the law so intensity will change at each one like, I ...I/4....I/9
anonymous
  • anonymous
Same applied for electric field E, as \[E = \frac{ Q }{ 4 \pi \epsilon_0 r^2 }\]
anonymous
  • anonymous
Where source strength would be \[= \frac{ Q }{ \epsilon_0 }\]
anonymous
  • anonymous
If you want vectors, and the nature of light, you want to be looking into maxwells equations, and to understand them, grasp the concepts of vector calculus, curl, divergence, grad, laplacian
anonymous
  • anonymous
ok, but how do the electric field vectors look like on a wavefront at particular time?|dw:1361890945224:dw|
UnkleRhaukus
  • UnkleRhaukus
|dw:1361892248346:dw|