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1. A flat screen is located 0.70 m away from a single slit. Light with a...

1. A flat screen is located 0.70 m away from a single slit. Light with a wavelength of 570 nm (in vacuum) shines through the slit and produces a diffraction pattern. The width of the central bright fringe on the screen is 0.047 m. What is the width of the slit?

2. The pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 162 m, the eagle sees them as one unresolved object and dives toward them at a speed of 23 m/s. Assume that the eagle’s eye detects light that has a wavelength of 550 nm in vacuum. How much time passes until the eagle sees the mice as separate objects?

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