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March 26, 2015

Homework Help: Physic

Posted by sara on Thursday, August 23, 2012 at 1:59pm.

A sodium-vapour lamp illuminates, with monochromatic yellow light, two narrow slits that are 1.00 mm apart. if the viewing screen is 1.00m from the slits and the distance from the central bright line to the next bright line is 0.589 mm, what is the wavelength of the light?

can someone please explain the question to me??

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