Two waves, travelling along the same direction, are given by
y1(x, t) = asin(w1t − k1x)
and
y2 (x, t) = asin(w2t − k2x)
Suppose that w1and k1 are respectively slightly greater than w2 and k2. i) Obtain an
expression for the resultant wave arising due to their superposition and ii) explain the
formation of wave packets.
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