ly of two S. H. M.sto the same body. We shall suppose that the two motions havethe same period, and are in the same direction, but they maydiffer to any degree in amplitude, and they may have the samephase, opposite phases, or any desired difference in phase. Anexcellent example of the… … Figure 92 light from the sun or a bright artificial source, L a lens, Aand B two tuning forks, S a white screen. The forks havethe same period and are arranged to vibrate in the same plane.Each has a small mirror (Mt and M2) mounted on one prong,and the parts are arranged so that the light is…
Light
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