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Question

Forward Propagation - What is forward propagating wave?

Answer

The equation f(x-vt), where 'x' is the displacement, 'v' is the positive velocity, and 't' is the time, represents a forward propagating wave. An increasing displacement over time indicates that a wave is moving or propagating ahead or to the right. On the other side, a wave that is propagating to the left or backwards is represented by f(x+vt).