Two flat pieces of glass that each has a length l 200 cm
Two flat pieces of glass that each has a length L = 20.0 cm are arranged by a fiber between them. The setup is illuminated by a yellow sodium light (590 nm), and 19 bright fringes are observed in reflected light.
What is the diameter of the fiber?
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two flat pieces of glass that each has a length l 200 cm are arranged by a fiber between them the setup is illuminated
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