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A transverse wave is travelling along as string from left to right, Fig. below represents the shape of the string at a given instant. Al this instant (a) which points have an upward velocity? (b) which points will have downward velocity ? (c) which points have zero velocity ? (d) which points have maximun magnitude of velocity |
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Answer» Solution :For a wave `v_(pa) = -V xx ("slope")`i.e, particle velocity is PROPORTIONAL to the negative of the slope of y/x curve, so For DOWNWARD velocity `v_(pa)` =negative, so slope must be POSITIVE which is at A, B and H. 
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