- Two periodic wave of amplitude a and b pass through a region at the same time in the same direction .If a>b the difference in the maximum and minmum possible amplitude is 1)a+b 2)a+-b 3) 2a 4)2b
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- Two periodic wave of amplitude a and b pass through a region at the same time in the same direction .If a>b the difference in the maximum and minmum possible amplitude is 1)a+b 2)a+-b 3) 2a 4)2b










