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- Two waves of amplitude 5 mm and 7 mm reach a point in opposite phase. The resultant amplitude is
. Two waves of amplitude 5 mm and 7 mm reach a point in opposite phase. The resultant amplitude is
(a) 24 mm.
(b) 12 mm.
(c) 2 mm.
(d) 1.4 mm.
Best Answer
(c)
As they reach in opposite phase so, resultant amplitude = 7 mm - 5 mm = 2 mm.
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