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A Wedge-Shaped Film of Air Is Formed by Placing Two μ\mu

Question 28

Multiple Choice

A wedge-shaped film of air is formed by placing two flat glass plates with one end touching each other and the other end spaced by a gold leaf. The wedge is then illuminated using a monochromatic light of wavelength 590 nm from above and the complete fringe pattern is shown. The thickness of the gold leaf is approximately A) 7.1 \mu m B) 7.4 \mu m C) 6.5 \mu m D) 6.8 \mu m E) 7.8 \mu m A wedge-shaped film of air is formed by placing two flat glass plates with one end touching each other and the other end spaced by a gold leaf. The wedge is then illuminated using a monochromatic light of wavelength 590 nm from above and the complete fringe pattern is shown. The thickness of the gold leaf is approximately


A) 7.1 μ\mu m
B) 7.4 μ\mu m
C) 6.5 μ\mu m
D) 6.8 μ\mu m
E) 7.8 μ\mu m

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