Two long springs are connected, one is a heavy (i.e., more massive) spring and t

Question

Two long springs are connected, one is a heavy (i.e., more massive) spring and the other is a light spring. A pulse is traveling down spring A, towards a junction with spring B. The junction itself is small and has no effect on the wave propagation. Below are statements about reflection and transmission at the junction. Which of the statements are true? (Select ALL correct answers) A) If spring A is the light spring then the reflected pulse will be inverted. B) If spring A is the heavy spring then the transmitted pulse will be inverted. C) The only case in which there will be no reflected pulse is when the springs are identical. D) If spring A is the light spring then the transmitted pulse will be inverted. E) If spring A is the heavy spring then the reflected pulse will be inverted..

Explanation / Answer

E) If spring A is the heavy spring then the reflected pulse will be inverted..

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