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AP® Physics 1 & 2

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Wave Interference: Two Identical Pulses

APPH12-UPE1CW

Two identical pulses are moving toward each other as shown in the diagram below. The blue pulse moves toward the right and the red pulse moves toward the left.

Which diagram represents the interference pattern at the exact moment when their centers overlap?

"Created for Albert.io. Copyright 2016. All rights reserved.”

A

"Created for Albert.io. Copyright 2016. All rights reserved.”

B

"Created for Albert.io. Copyright 2016. All rights reserved.”

C

"Created for Albert.io. Copyright 2016. All rights reserved.”

D

"Created for Albert.io. Copyright 2016. All rights reserved.”