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April 20, 2014

Homework Help: Physics

Posted by confused on Thursday, January 24, 2013 at 3:28pm.

Which of the following equations describes the condition for observing the fourth bright fringe in Young's double-slit interference pattern? Assume n = 0 for the central bright fringe.

Which of the following equations describe the condition for observing the fourth dark fringe in an interference pattern correctly?

d sinč = ė
d sinč = 3ė/2
d sinč = 3ė
d sinč = 4ė

I was going to say d sinč = 4ė for dark fringe, but then i don't know what it is for bright fringe.

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