State the principle of superposition of waves.
(N/A) The principle of superposition states that when two or more waves travel through a medium simultaneously,each wave acts independently of the others. The resultant displacement $y$ at any point and at any instant is the algebraic sum of the individual displacements $y_1, y_2, y_3, \dots$ produced by each wave at that point.
Mathematically,it is expressed as: $y = y_1 + y_2 + y_3 + \dots = \sum_{i=1}^{n} y_i$.
Mathematically,it is expressed as: $y = y_1 + y_2 + y_3 + \dots = \sum_{i=1}^{n} y_i$.
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