Two periodic waves of amplitudes A_1 and A_2 pass through a region. If A_1 > A_2 the difference in the maximum
Two periodic waves of amplitudes A1 and A2 pass through a region. If A1 > A2 the difference in the maximum and minimum resultant amplitude possible is
(a) 2A1
(b) 2A2
(c)A1 + A2
(d)A1 - A2.
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The correct answer is (b) 2A2
EXPLANATION:
The maximum resultant amplitude = A₁ + A₂ and the minimum resultant amplitude = A₁ - A₂. Hence their difference = (A₁ + A₂) - (A₁ - A₂) = 2A₂
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