two slits are each 1.5 mm wide and are separated (center to center) by .5 mm. Th
ID: 1516161 • Letter: T
Question
two slits are each 1.5 mm wide and are separated (center to center) by .5 mm. The slots are illuminated by a 488 nm laser beam. If the bright fringes in the screen are separated by 5.0 mm, how far from the slits is the screen? two slits are each 1.5 mm wide and are separated (center to center) by .5 mm. The slots are illuminated by a 488 nm laser beam. If the bright fringes in the screen are separated by 5.0 mm, how far from the slits is the screen? two slits are each 1.5 mm wide and are separated (center to center) by .5 mm. The slots are illuminated by a 488 nm laser beam. If the bright fringes in the screen are separated by 5.0 mm, how far from the slits is the screen?Explanation / Answer
Fringe Width = wavelength*D/d
D = Fringe width*d/wavelength
D = 5*10^-3*0.5*10^-3/488*10^-9
D = 5.12 m
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