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A certain oscillation results from the addition of coherent oscillations of the same direction y= a cos [omegat+(k-1)phi] where k is the numberof oscillation [ k=1,2………N] and phi is the phase difference between k^("th") and (K-1)^("th") oscillations. The amplitude of resultant oscillation will be |
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Answer» `(a SIN (N//2))/(sin (phi//2))` |
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