On 2008 Jan 15 , at 10:58 AM, Bill Hooper wrote:
The (one metre) wavelength for electromagnetic waves (light, radio,
etc.) would be:
f = (3 x 10^9 m/s)/(1 m) = 3 x 10^9 Hz = 3 GHz
This is my week for making stupid errors and correcting myself. In my
note on frequency and wavelength of light waves and the like, I wrote
the above.
The figure I used for the speed of light is incorrect. It should be 3
x 10^8 m/s. That makes the calculation wrong, too. The whole thing
should read:
f = (3 x 10^8 m/s)/(1 m) = 3 x 10^8 Hz = 0.3 GHz (or 300 MHz)
This error does not affect my argument that a 1 m wavelength wave has
a very different frequency depending on whether it is a sound wave or
a radio wave.
I guess I can't always rely on my memory for things like common
constants.
Bill Hooper
1810 mm tall
Fernandina Beach, Florida, USA
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SImplification Begins With SI.
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