Sentences with phrase «waves of a certain wavelength»

Not exact matches

Now waves have a certain wavelength, and common experience of such waves as may be seen, for example, on the surface of the sea tells us that an object which is very much smaller than the length of the wave has no appreciable effect upon it.
These waves come in all possible wavelengths, and their presence implies that empty space contains a certain amount of energy — an energy that we can't tap, but that is always there.
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