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Posted: Sun Aug 02, 2009 7:35 am Post subject: |
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From the information that I have read, it seems this answer should be A.
Can someone please explain. |
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mcat_premed3832
Joined: 19 Oct 2006 Posts: 413
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Posted: Sat Aug 15, 2009 12:06 pm Post subject: Constructive interference |
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For A to be possible, there must be interference from 2 separate points which is not the case here. If delta is 0 then the waves act from one point of origin. Since they are in phase, they constructively interfere.
Note that there are 2 points of origin to generate alternating dark/light bands: www.physicsclassroom.com/Class/light/u12l1b.cfm |
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