Recent content by jacc123456

Ok, thanks nanaki, and all of you who helped me.

I don´t think so, because he mentioned sunspots (whatever that is) affecting microwave radio transmissions. Maybe, he meant that the sunspots disturb the receiver, and not the electromagnetic waves themselves. Do you think that was it?

Ok, i think i got it now. ""For example, red light has a frequency of like 10^14 Hz. If your wire is running standard AC of 50/60Hz, that's a big difference and chances are your photodetector cannot see that. But, again, there is nothing fundamental about this, just a practical remark.""...

Hi. I still have questions because one says one thing, and then comes another saying another thing. I will try again to explain my doubt. Imagine a light signal traveling through a fibre optic cable. It goes as happy as he can be. Then comes a nasty power cable next to him. This cable is...

This doesn't make sense. You say any frequency electromagnetic waves pass over each other without disturbing, but they add up. Ok, maybe it even makes sense, it's just me who's not being able to get the message through. I know that if there's two radio frequencies (for example) and they cross...

So they don't interfere (cause loss of signal) with each other because they have different frequencies?

It's already hard to understand physics, but trying to understand it in english, and with "mere opinions" is even harder. I posted a clear question, supported by a more than clear example, and none of you has given a clear anwser (although i appreciate everyone's help). Once again... "" In...

Thank you nanaki, but it's not quite there yet. I need a little more complexity. I'm an electrical engineer, so i can handle a little complexity. Not too much, because my area is not physics. Tell me if I'm right (anyone). Again, i ask for anwsers of those who really understand about this...

Thanks. This kind of makes sense, but then again, isn´t light considered an electromanetic wave? And how does light propagate in a transparent medium?

Good afternoon. I thank you both for your help, but i rather read an anwser from someone who really knows what is talking about. I'm not trying to set a discussion, i just want a plain explanation, which I'm pretty sure it exists. Maybe i wasn't too clear, so i will try to explain for...

I appreciate your help, but u didnt quite anwser my question. Im looking for a physics explanation for light not being affected by electromagnetic waves.

Hello everybody. I´m new in the forum, and i would like to ask a question. If light is an electromagnetic wave, why is it not affected by electromagnetic interference. For example, in electric engineering is used fiber optics cable when one wants to avoid EMI. Why? I'm looking for a plain...