Consider 550. nm light passing through 2 narrow slits 2.10 micro-meters apart. The 1st and 2nd order fringes are 1.00 mm apart on a distant screen. How far apart are the 2nd and 3rd order fringes?
A) 0.750 mm
B) 0.500 mm
C) 1.74 mm
D) 1.00 mm
E) 1.35 mm

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The Answer of Consider 550. nm light passing through 2 narrow slits 2.10 micro-meters apart. The 1st and 2nd order fringes are 1.00 mm apart on a distant screen. How far apart are the 2nd and 3rd order fringes?
A) 0.750 mm
B) 0.500 mm
C) 1.74 mm
D) 1.00 mm
E) 1.35 mm