In part A of the experiment a hair is illuminated with a laser and a diffraction...

 

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In part A of the experiment a hair is illuminated with a laser and a diffraction pattern is observed. The wavelength > = (648 + 21) nm and the pattern is projected on to the wall a distance L = (2.226 0.019) m from the hair. The distance across the central maximum is measured to be 2y= (0.048 + 0.002) m. The width of the hair is calculated to be a= 60.1 m Calculate the uncertainty in the width of the hair Aa in m, to one decimal place. You do not need to specify the units. In part A of the experiment a hair is illuminated with a laser and a diffraction pattern is observed. The wavelength > = (648 + 21) nm and the pattern is projected on to the wall a distance L = (2.226 0.019) m from the hair. The distance across the central maximum is measured to be 2y= (0.048 + 0.002) m. The width of the hair is calculated to be a= 60.1 m Calculate the uncertainty in the width of the hair Aa in m, to one decimal place. You do not need to specify the units.