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![[Post New]](/templates/default/images/icon_minipost_new.gif) 6 Feb 2008 20:13:41 IST
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y1=Asin(wt-kx)
y2=Asin(wt+kx) [travelling in opp. direction]
using principle of superposition--
y=y1+y2
=A[sin(wt-kx)+sin(wt+kx)]
=2Asin(wt)cos(kx)
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Impossible To be Impossible is Impossible |
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