Sound WavesHard
Question
A waveform : y1 = A sin 
is superposed with a second waveform, to produce a standingwave with a node at x = 0. The equation of the second waveform can be : -
is superposed with a second waveform, to produce a standingwave with a node at x = 0. The equation of the second waveform can be : -Options
A.y2 = A sin
B.y2 = A sin
C.y2 = A sin
D.y2 = A sin
Solution
y1 = ASm (2x - 4t + 
)
y2 = ASm(2x + 4t +)
y = y1 + y2 = 2A sin (2x) . cos
)y2 = ASm(2x + 4t +
)y = y1 + y2 = 2A sin (2x) . cos
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