If, however, the retardation be only equivalent to half a wave length, the intensity of the light will be decreased.
This picture or chart represents a wave lengthof four feet.
A wave length of sound is the distance traversed in the period of vibration.
In this lower diagram you have the wave lengthof violet light.
Now, on an enormous scale, exaggerated not only as to slope, but immensely magnified as to wave length, we have an illustration of the waves of light.
You'll find, however, that the newspaper announcements of the various broadcast stations do not tell the frequency but instead tell the "wave length.
I am not going to tell you anything about wave motion in the ether because I don't believe we know enough about the ether to try to explain, but I shall tell you what we mean by "wave length.
The intensity of any light depends upon the amplitude of the corresponding vibration, and its color depends upon the wave length.
Of course, I could have mounted both of my real rods on my forehead, but that would have reduced the capacity enough so as to have increased my wave length out of the required range.
Any change in my apparatus which reduced my wave length also reduced my receptivity; and any change which increased my receptivity likewise increased my wave length.
Of course, the obvious step for me was to attempt communication by radio, so I built a particularly powerful sending set with long wave length.
The following table shows the range of wave length of the various sized coils when used with a variable condenser having a .
Should you live outside of the five-mile range of a navy station then you can get a general amateur license and this permits you to use a current of 1 kilowatt, but you are likewise limited to a wave length of 200 meters.
Upon the ocean the highest waves that have been measured have an amplitude of about fifty feet and a wave length of about six hundred feet.
The distance from crest to crest, or from trough to trough, is called the wave length.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "wave length" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.