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4. Draw a diagram for the following situation, remembering to label all aspects. A pulse travels from a slow medium into a faster medium. Diagram

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4. Draw a diagram for the following situation, remembering to label all aspects. A pulse travels from a slow medium into a faster medium. Diagram the incident, reflected and transmitted pulse before and after the boundary change. (4 marks) (K/U, C, A, T/I)

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