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Diffraction And The Debye-Scherrer Camera Beginning of Paper Many scientific applications have made great use of the wave nature of light. Until the first half of the century the nature of light remained completely a mystery. Some thought light to be a particle while others believed it to be a wave. Scientists now know that wave exhibits p .... Middle of Paper .... the following relation x = Acos(wt + f) where x is the position along the x axis A is the amplitude or in other words the maximum possible displacement w is the angular frequency and f is the phase constant or phase angle and has units of radians per second. The phase constant determines the position of the particle at time t = 0. The quantity (wt+ f) is called the phase. The above function x repeats itself whenever wt = n2p where n is an integer. The period T of the motion is the time it takes for the motion to complete one revolu .... 2086 words | 8 pages Subscription Length Price Join 30 days membership (recurring) $19.95 90 days membership (recurring) $39.95 180 days membership (non-recurring) $69.95