What is the width of the slit if diffraction pattern is seen
Light of wavelength 460 nm is incident on a single, narrow slit. The diffraction pattern is observed on a screen 4.8 m away from the slit and the central maximum is 17 cm wide. What is the width of the slit?
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White light is spread out into its spectral components by a diffraction grating. If the grating has 1990 lines per centimeter, at what angle does red light of wavelength 640 nm appear in first-order spectrum?
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The diffraction pattern is observed on a screen 4.8 m away from the slit and the central maximum is 17 cm wide. What is the width of the slit?
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