Unformatted text preview: at the slits diFer by 2 Ï€x Î» m âˆ’ 2 Ï€x Î» = 2 Ï€x Î» ( n âˆ’ 1) where Î» m is the wavelength in the mica and n is the index of refraction of the mica. The relationship Î» m = Î»/n is used to substitute for Î» m . Since the waves are now in phase at the screen, 2 Ï€x Î» ( n âˆ’ 1) = 14 Ï€ or x = 7 Î» n âˆ’ 1 = 7(550 Ã— 10 âˆ’ 9 m) 1 . 58 âˆ’ 1 = 6 . 64 Ã— 10 âˆ’ 6 m ....
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This note was uploaded on 11/12/2011 for the course PHYS 2001 taught by Professor Sprunger during the Fall '08 term at LSU.
 Fall '08
 SPRUNGER
 Physics

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