Question

If light is traveling away from you with the electric field pointing toward the ceiling (up),...

If light is traveling away from you with the electric field pointing toward the ceiling (up), what direction is the magnetic field pointing?

-to the left

-to the right

-up (toward the ceiling)

-down (towards the ground)

Science   Physics   
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Answer #1

The light is propagating perpendicular to both the directions of and . The direction of light is along the direction of ( ). Here the light is propagating away from the observer and electric field is pointing in upward. So from the right hand thumb rule (curl the fingers of right hand from the direction of to the direction of then the thumb points in the direction of (). If we do that, we can see the magneic field is to the right, hence second option is correct.

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