Wave motionMediumBloom L2
Question
Two symmetric, identical pulses of opposite amplitude travel along a stretched string in opposite directions as shown in the figure below. Which one of the following statements most fully describes the situation?
Options
A.There is an instant when the string is straight
B.When the two pulses interfere completely, the energy of the wave is zero
C.There is a point on the string that does not move up or down
D.Both A and C
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