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Physics
Physics
Problem
Two waves of the same frequency and equal amplitude superpose at a point and always give zero displacement at that point. Which one of the following phase differences between the waves satisfies this condition? a)
π
2
\dfrac{\pi}{2}
2
π
b)
π
\pi
π
c)
0
0
0
d)
2
π
2\pi
2
π
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