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Mashy

Why em waves cannot be deflected by a suitable magnetic or an electric field? My doubt is, something made of oscillating magnetic and electric field cannot be deflected by an external field why so?

  • 2 years ago
  • 2 years ago

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  1. Ishaan94
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    Hmm is bending what you mean by deflection?

    • 2 years ago
  2. Mashy
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    yea yea..

    • 2 years ago
  3. Ishaan94
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    actually bending is possible or at least in my knowledge, do you remember the J.J Thompson experiment? the electron discharge tube one in which he placed two magnets by the tube causing the ray to bend. I am not so sure lemme check my book.

    • 2 years ago
  4. Mashy
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    that was the ray of electrons not em waves!

    • 2 years ago
  5. Mashy
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    and no light is not bended by any external electric or magnetic fields at all!! :-/.. i just can't find a simple explanation!

    • 2 years ago
  6. Ishaan94
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    oh yeah sorry

    • 2 years ago
  7. Ishaan94
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    but hmm what if i have a magnet with me and i expose it to an em wave, wouldn't the magnetic field of the magnet cause change in the magnetic field of em wave which further would cause change in electric field.

    • 2 years ago
  8. Mashy
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    NOO>. nothing of that sort happens.. if that were true, you would be able to deflect light, visible light via magnetic and electric fields..!! but that doesn't happen.. not one bit!

    • 2 years ago
  9. Mashy
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    see its an interesting question.. until james would come and explain us :D!!

    • 2 years ago
  10. Ishaan94
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    and what about refraction, why do you think light bends in denser medium i think maybe because atoms are closely packed together and when light has to go through them it gets effected due to their electromagnetic field... maybe not sure

    • 2 years ago
  11. Mashy
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    no no.. bending of light is PUUREEELLLYYYY due to the fact that the velocity of the light slows down!..

    • 2 years ago
  12. Ishaan94
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    strange none of my ideas work

    • 2 years ago
  13. Ishaan94
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    but this stuff is interesting

    • 2 years ago
  14. Mashy
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    dude you are in second puc, when i was in second puc, i didn't EVEN THINK ABOUT THESE STUFFFFF, you are like WAY WAY WAY ahead of me when i was your age!!

    • 2 years ago
  15. Ishaan94
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    it's in the course this is why i know about it

    • 2 years ago
  16. Ishaan94
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    i mean not this but a little explanation about it

    • 2 years ago
  17. Mashy
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    even i had it in my course.. and i never gave a thought to it :P

    • 2 years ago
  18. Ishaan94
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    thanks, you like physics which counts more and being passionate about it earns you bonus points you will definitely do good if you get in physics

    • 2 years ago
  19. Mashy
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    ok this is what i got from some site "There is no first order interaction between light and an electric or magnetic field IN VACUUM until you achieve such intense fields that the vacuum decays (a nucleus with Z=1/(α) or a magnetic field about 100X as powerful as a magnetar). Also consider the Sharnhorst effect.".. so i guess what that means is we cannot create strong enough fields to deflect them may be! :-/

    • 2 years ago
  20. Ishaan94
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    oh hmm maybe so what happens in processes like polarization if polarization can reduce light's intensity can't something like that help in bending of light?

    • 2 years ago
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