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May 23, 2015

Homework Help: physics

Posted by jake on Saturday, June 15, 2013 at 5:45pm.

orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away.
what is the distance between the central bright spot and the first order bright spot on the screen.
(sorry I don't have symbols on my computer)
thank you!

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