Finding out the width of the slit
Light of wavelength 455 nm is incident on a narrow slit. The diffraction pattern is viewed on a screen 3.11 m from the slit. The distance on the screen between the central maximum and the third minimum is 2.80 cm. What is the width of the slit?
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In a double-slit interference experiment, the wavelength is 467 nm, the slit separation is 0.110 mm, and the screen is 39.9 cm away from the slits. What is the linear distance between adjacent maxima on the screen?
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Determine the velocity of cylinder B (positive if down, negative if up) at time t = 2.9 s. Assume no mechanical interference and neglect all friction.
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