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Posted by on Wednesday, November 9, 2011 at 2:57pm.

Problem 17.8

Light from a sodium lamp (wavelenght = 598) illuminates two narrow slits. The fringe spacing on a screen 150cm 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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