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Thread: can the light create electromagnetic field?

  1. #1 can the light create electromagnetic field? 
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    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.


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    Forum Sophomore kingjacob's Avatar
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    Light is part of the electromagnetic spectrum so Im going to say yes.


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    I handn't thought about this, good question. From my understanding light is electromagnetic radiation. So in this sense light IS an electromagnetic field. A radio antenna works because electromagnetic radio waves induce an electric current in the antenna. Since protons and electrons have electric charge they interact with electromagnetic fields. Does visible light also induce an electric current in an antenna?

    But back to can light create and electromagnetic field. Maybe you could elaborate a bit on your question and be more specific about possible circumstances for this to happen. Just my thoughts on the subject.
    "Where are you going?" "I go where it is changeless." "How can you go where it is changeless?" "My going is no change."
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    Forum Professor river_rat's Avatar
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    Well every time a light ray is reflected and refracted it is creating a new electromagnetic field (the refracted ray) in a sense
    As is often the case with technical subjects we are presented with an unfortunate choice: an explanation that is accurate but incomprehensible, or comprehensible but wrong.
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    Don't you need a loop for the electro magnetic field to be made? if light is the elctromagnetic field, it would loop back to its revious position, may be wrong how I sayed it but you get the picture?
    I haven't come to fight my word, but to find the truth.
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  7. #6  
    Jon
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    Light is a DISTURBANCE in the EM field; it does not create it. The EM field already exists wherever there is potential for an EM wave to be transmitted.

    I can be more precise if you'd like



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    @Jon:
    Yes, be more precise, I am interested, too!
    What do you mean with potential?
    I am.
    You can't deny it.
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  9. #8  
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    Quote Originally Posted by Jon
    Light is a DISTURBANCE in the EM field; it does not create it. The EM field already exists wherever there is potential for an EM wave to be transmitted.

    I can be more precise if you'd like



    Regards,
    Rv. Jon
    Not a correct statement. An EM field - consisting of a "E" field (electric) and an "H" field (magentic) do not exist prior to the time it is emitted. Consider an ordinary radio wave - or a photon that is ejected when an electron drops back to it's rest level. Neither can exist before they occur.
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    Light is a DISTURBANCE in the EM field;
    I think he is trying to say that light can be detected by some interaction of the EM field with matter. Whether we are talking about vision, photosynthesis, or photoelectricity, the light beam is intercepted and produces some kind of effect. That is how we would know light exists.
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    Light is its self moving electromagnetic field.
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    Quote Originally Posted by scientist91
    Light is its self moving electromagnetic field.
    Of course it is. I haven't seen anyone here say otherwise. Did I miss something?
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    Quote Originally Posted by SteveF
    Light is a DISTURBANCE in the EM field;
    I think he is trying to say that light can be detected by some interaction of the EM field with matter. Whether we are talking about vision, photosynthesis, or photoelectricity, the light beam is intercepted and produces some kind of effect. That is how we would know light exists.
    I suppose that might be possible, but it's certainly an incorrect way to say it if that was the intention.
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  14. #13 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
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  15. #14 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
    Light is moving electromagnetic field.
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  16. #15 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by scientist91
    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
    Light is moving electromagnetic field.
    Turner was incorrect. A photon carries energy and very much has an EM field - in fact, it's EM radiation.

    And you are correct - light is a moving EM field.
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  17. #16 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by Old Geezer
    Quote Originally Posted by scientist91
    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
    Light is moving electromagnetic field.
    Turner was incorrect. A photon carries energy and very much has an EM field - in fact, it's EM radiation.

    And you are correct - light is a moving EM field.
    I am not wrong, a photon has no charge, I could have told him directly or inspire him to take action and use his brain, it is easy to say a photon has no charge, but it does have electric and magnetic fields which are perpendicular to each other and in phase and are contiuously interacting with other fields. I could also taken his question literally and said that no a photon does not create it just is a quanta of E-M.
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  18. #17 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by Old Geezer
    Quote Originally Posted by scientist91
    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
    Light is moving electromagnetic field.
    Turner was incorrect. A photon carries energy and very much has an EM field - in fact, it's EM radiation.

    And you are correct - light is a moving EM field.
    I am not wrong, a photon has no charge, I could have told him directly or inspire him to take action and use his brain, it is easy to say a photon has no charge, but it does have electric and magnetic fields which are perpendicular to each other and in phase and are contiuously interacting with other fields. I could also taken his question literally and said that no a photon does not create it just is a quanta of E-M.
    Sorry, you are correct - it has no charge. I had my head on crooked and meant to say that it has energy (as well as momentum). But there is NO indication that it is "contiuously interacting with other fields."

    And yes, many of us know about the E and H fields. But I would ask you to use correct notation as much as possible instead of those of your own making. The correct teminology is simply EM (for electromagnetic) amd not E-M. You did the same thing in another thread by refering to the speed of light as "C" when it should be "c".

    Radical thoughts are one thing but that should not preclude using standard notations.
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  19. #18 Re: can the light create electromagnetic field? 
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    Quote Originally Posted by Old Geezer
    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by Old Geezer
    Quote Originally Posted by scientist91
    Quote Originally Posted by Dr. C. Michael Turner
    Quote Originally Posted by scientist91
    I will be very happy if you answer me. I tried several times on google to search about this but I didn't find anything. So please answer me, if you know the answer. Thank you.
    ]
    A photon has no charge, now look of the properties of a magnetic field and decide.
    Light is moving electromagnetic field.
    Turner was incorrect. A photon carries energy and very much has an EM field - in fact, it's EM radiation.

    And you are correct - light is a moving EM field.
    I am not wrong, a photon has no charge, I could have told him directly or inspire him to take action and use his brain, it is easy to say a photon has no charge, but it does have electric and magnetic fields which are perpendicular to each other and in phase and are contiuously interacting with other fields. I could also taken his question literally and said that no a photon does not create it just is a quanta of E-M.
    Sorry, you are correct - it has no charge. I had my head on crooked and meant to say that it has energy (as well as momentum). But there is NO indication that it is "contiuously interacting with other fields."

    And yes, many of us know about the E and H fields. But I would ask you to use correct notation as much as possible instead of those of your own making. The correct teminology is simply EM (for electromagnetic) amd not E-M. You did the same thing in another thread by refering to the speed of light as "C" when it should be "c".

    Radical thoughts are one thing but that should not preclude using standard notations.
    You are right. I have deduced alot on my own and I am sloppy by nature when it comes to translating my head to the outside world. I will do better.
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