When a green laser light ((lambda=550 mathrm{~nm})) shines on a fracture-line crack in a thin piece of
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When a green laser light \((\lambda=550 \mathrm{~nm})\) shines on a fracture-line crack in a thin piece of metal, a diffraction pattern is observed on a screen located \(L=0.80 \mathrm{~m}\) from the metal. If the width of the central bright fringe is \(w=10 \mathrm{~mm}\), what is the width of the crack in the metal?
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Wavelength of light 550 nm Distance from metal to screen L 080 m Width of central bright ...View the full answer
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