Manufacturers of wire (and other objects of small dimension) sometimes use a las

Question

Manufacturers of wire (and other objects of small dimension) sometimes use a laser to continually monitor the thickness of the product. The wire intercepts the laser beam, producing a diffraction pattern like that of a single slit of the same width as the wire diameter (the figure below). Suppose a helium

Manufacturers of wire (and other objects of small dimension) sometimes use a laser to continually monitor the thickness of the product. The wire intercepts the laser beam, producing a diffraction pattern like that of a single slit of the same width as the wire diameter (the figure below). Suppose a helium

Explanation / Answer

Y = delta m * L * lambda / a

= [(11 -(-11)) * 2.67 * 632.8 * 10-9 ] / [1.43 * 10-3]

= 25.99 mm

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