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April 20, 2014

April 20, 2014

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

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.

- Physics -
**Elena**, Thursday, January 24, 2013 at 4:11pmd sinθ = 4λ

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