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Physics 7 Online
OpenStudy (anonymous):

how to look the radio wave with our eyes ?

OpenStudy (anonymous):

You can't look at radio waves with your eyes - your eyes aren't sensitive to that wavelength. You can of course see another set of electromagnetic waves - visible light.

OpenStudy (anonymous):

yes, i mean with additional thing

OpenStudy (anonymous):

you can't see radio waves or u aren't able to see that... various instrument have made to detect them but its only shows the presence of that ( radio waves) ... as physics isn't just a common sence its a law.... we all have to obeys that law and accept that yet we are not able to see radio waves but later we will be

OpenStudy (anonymous):

oscilloscopes exist that allow an observer to visually see electrical signals operating at radio frequencies...the higher the frequency the more the instrument usually costs.

OpenStudy (anonymous):

radio waves are everywhere...nothing to see really

OpenStudy (anonymous):

The only way to "see" a radio wave in a normal lab would be through a oscilloscope connected to an antenna of some kind, preferably tuned, but a simple long wire would work for strong nearby signals.

OpenStudy (anonymous):

Spanners is correct, though I feel I should add that the oscilliscope actually measures the voltage passing through the wire which is induced by the passing radio wave. This (or something similar) is common practice for analysing radio waves propagating through air.

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