Krugen K.

asked • 06/05/20

Are radio waves and sound the same?

So the electromagnetic spectrum: radio waves, micro waves, infrared rays, visible light, ultra violet rays, x rays, gamma rays, cosmic rays. Now visible range is 390 to 700 nanometers, beyond 700 nm is infrared which we can't see (tv remotes emit a very dim amount of red light close to in) and at the extreme end of 390 nm is violet which our brain can't interpret properly and shows similar to purple which is a mixture of blue and red. Now we cant see beyond 700 nm so we cant see micro waves or radio waves which have low frequency huge wavelengths of over 1000s of km, Our hearing frequency of sound is 20 Hz to 20,000 Hz, but radio fms we hear have frequencies in mega hertz. So how can we hear radio waves on fm radios? And some animals are capable of seeing infrared and ultra violet, while hearing infrasond and ultrasound. Does that mean to these animals visible light we can see is something they can hear? And do some animals have the capabilities to both see and hear radio waves? Are radio waves both sound and light, but exists beyond our visibility range but is something we can hear. Seeing and hearing are both interlinked?

1 Expert Answer

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William W. answered • 06/05/20

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Experienced Tutor and Retired Engineer

Krugen K.

Ok thanks. I had been confused by this a long time. I used to think radio waves are sound before knowing about the electromagnetic spectrum.
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06/05/20

Krugen K.

In other words the radio device converts the radio waves to sound waves, otherwise they are totally different, radio waves don't require medium, sound do, thats what I understand from your answer now, thank you.
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06/05/20

William W.

Yes
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06/05/20

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