# quiz2answerkey - destructive interFerence point so it must...

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Quiz 2 Answer Key Question 1 Answer: Wave 2 - Wave 1 The frst column is just subtracting the time term oF the frst wave ʼ s total phase From the time term oF the second wave ʼ s total phase. The last column must be a value that give us constructive interFerence. It could be any halF integer times 2 π . Here I ʼ ve chosen 1/2 . Question 2 Answer: C. To measure the beat period we must measure the amount oF time it takes to go From one destructive interFerence point to the next destructive interFerence point. Choice C is the only option that is at a

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Unformatted text preview: destructive interFerence point so it must be the answer. Question 3 Answer: Wave 2 - Wave 1 The frst column is the same as beFore but just using the new time chosen in question 2. The beat period is the time between one destructive interFerence point and the next. So in the last column we have to choose the halF integer that is one bigger than the one we chose in question 1; the next destructive interFerence point. Here that is 1/2 + 1 = 3/2 . Question 4 Answer: Let ʼ s just do the algebra....
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quiz2answerkey - destructive interFerence point so it must...

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