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Which statement best describes the superposition principle?A. If two in-phase waves arrive simultaneously at a point, their amplitudes add up.B. If two out-of-phase waves arrive simultaneously at a point, their amplitudes add up.C. If two in-phase waves arrive at a point one after another, their amplitudes add up.D. If two out-of-phase waves arrive at a point one after the other, their amplitudes adds up. |
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