Two slits 0.075 mm apart are located 1.5 m from a screen. Laser light shining through the slits produces an interference pattern whose third- order bright fringe is 3.8 cm from the screen center. Find the light's wavelength.
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- An instructor wishes to determine the wavelength of the light in a laser beam. To do so, she directs the beam toward a partition with two tiny slits separated by 0.195 mm. An interference pattern appears on a screen that lies 4.85 m from the slit pair. The instructor's measurements show that two adjacent bright interference fringes lie 1.57 cm apart on the screen. What is the laser's wavelength (in nm) ?An instructor directs monochromatic light toward a single slit in an opaque barrier. The light has a wavelength of 550 nm and the slit is 0.230 mm wide. The light that passes through the slit creates a diffraction pattern on a screen, which is 1.65 m from the slit. (a) How wide (in mm) is the central maximum (the central, bright fringe), as measured on the screen? Single-slit diffraction is most readily described with a formula that gives the distance from the center of the pattern to the mth-order dark fringe. Consider the first dark fringe on either side of the central peak (m = ±1). How does its distance relate to the full width of the central maximum? Take care with units. mm (b) How wide (in mm) is either of the two first-order bright fringes, as measured on the screen? Single-slit diffraction is most readily described with a formula that gives the distance from the center of the pattern to the mth-order dark fringe. Consider two adjacent fringes on one side of the…Light of wavelength 625 nm falls on a double slit, and the first bright fringe of the interference pattern is seen at an angle of 16.6° from the central maximum. Find the separation between the slits.
- You illuminate a slit with a width of 78.9 μm with a light of wavelength 731 nm and observe the resulting diffraction pattern on a screen that is situated 2.05 m from the slit. What is the width, in centimeters, of the pattern's central maximum?In an experiment using Young's slits, the distance between the center of the interference pattern and tenth bright fringe on either side of it is 3.44 cm and the distance between the slits and the screen is 2.0 m. If the wavelength of light used is 5.89x10-7m, determine the slits separation.You are asked to design a spectrometer such that, on a screen located a distance of 3.52 m from a diffraction grating, the m = 3 dark fringe for 550 nm light is located at a distance of 5.1 cm from the (m = 0) center of the screen. How many lines per centimeter should your diffraction grating have?
- In a Young's double-slit experiment, a set of parallel slits with a separation of 0.106 mm is illuminated by light having a wavelength of 587 nm and the interference pattern observed on a screen 3.50 m from the slits. (a) What is the difference in path lengths from the two slits to the location of a fifth order bright fringe on the screen? 2.935 um (b) What is the difference in path lengths from the two slits to the location of the fifth dark fringe on the screen, away from the center of the pattern? 3.228e-6 Your response differs significantly from the correct answer. Rework your solution from the beginning and check each step carefully. um Need Help? Read ItUsing a 685 nm wavelength laser, you form the diffraction pattern of a 1.01 mm wide slit on a screen. You measure on the screen that the 15th dark fringe is 9.23 cm away from the center of the central maximum. How far is the screen located from the slit?