Suppose a sinusoidal wave on a string, having amplitude A and travelling in the direction, is partially reflected at the point a 0, so that the reflected wave is in phase with the incident wave at x 0 but has amplitude kA, where 0 k 1 is the reflection coefficient a) Show that each point on the string undergoes simple harmonic motion and determine how the amplitude of the simple harmonic motion varies with x b) Find the ratio of maximum to minimum amplitude, known as the standing wave ratio

Question: Suppose a sinusoidal wave on a string, having amplitude A and travelling in the - direction, is partially reflected at the point a =

Suppose a sinusoidal wave on a string, having amplitude A and travelling

Suppose a sinusoidal wave on a string, having amplitude A and travelling in the - direction, is partially reflected at the point a = 0, so that the reflected wave is in phase with the incident wave at x = 0 but has amplitude kA, where 0 < k

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