A set of narrow vertical slits is located a distance D from a screen. The slits are equally spaced and have the same width. The intensity pattern in the figure is observed when light from a laser passes through the slits, illuminating them uniformly. The screen is perpendicular to the direction of the light. Data: Distance to the screen = 3.13 m, Wavelength of light = 470 nm, Distance between tick marks on the intensity figure = 1.60 cm. What is the spacing between the slits? Calculate the width of the slits. If the slit separation is increased by a factor of 2, what would be the distance between the principal peaks on the screen?
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13 \, m \), \( \lambda = 470 \, nm = 470 \times 10^{-9} \, m \), and \( X = 1.6 \, cm = 1.6 \times 10^{-2} \, m \). Show more…
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