A double-slit arrangement produces interference fringes that have an angular separation of 3.15 x 10-3 rad for light with a wavelength of λ = 620 nm. For what wavelength would the angular separation be 12.5% greater?
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- Light of wavelength 520 nm illuminates a slit of width 0.45 mm. (a) At what distance from the slit should a screen be placed if the first minimum in the diffraction pattern is to be 0.52 mm from the central maximum? 0.45 m 0.53 m 0.63 m 0.72 m (b) Calculate the width of the central maximum. 1.04 mm 2.08 mm 3.12 mm 4.16 mmA double-slit system is used to measure the wavelength of light. The system has slit spacing d = 15 μm and slit-to-screen dis- tance L = 2.2m. If the m = 1 maximum in the interference pat- tern occurs 7.1 cm from screen center, what's the wavelength?Monochromatic red light with a wavelength of 660nm is incident on a pair of narrow slits that are separated by a distance of 4.00×10^4 *m. A viewing screen is placed a distance of 120cm behind the slits to observe the intensity pattern of the light after passing through the slits. a) Relative to the center of the pattern, where is the center of the third bright fringe?
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