An experiment is setup to measure the diameter of the sphere in the diagram using sizing measurementsbased on interference. A thin piece of glass slab is placed one side of a highly reflective substrate. Ayellow light created by Sodium wavelength = 589.3nm having a normally incident. Fringes can beobserved on the glass from the interference. With a gap between the two bright fringes is measured tobe g = 0.118mm, with an overall length for the setup to be L = 20mm. The setup will be placed in airhaving n = 1. What is the diameter of the sphere?W

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