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Three waves of equal frequency having amplitude 10 mm, 4 mm and 7 mm arrive at a given point with successive phase difference 90°. The amplitude of the resulting wave in mm is given by |
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Answer» Three waves of equal frequency having amplitude 10 mm, 4 mm and 7 mm arrive at a given point with successive phase difference 90°. The amplitude of the resulting wave in mm is given by |
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