Homework Help: Physics

Posted by Paige on Monday, November 7, 2011 at 6:12pm.

Problem 17.8

Light from a sodium lamp (wavelenght = 589) illuminates two narrow slits. The fringe spacing on a screen 150 cm behind the slits is 4.0 mm .

Part A -

What is the spacing (in mm ) between the two slits?

Express your answer using two significant figures.

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