Task id10183

Task id10183

First, the vertical soap film is observed in reflected light through red glass (Λ1 = 6.3 • 10-7 m). In this case, the distance between adjacent red stripes is 3 mm. This film is then observed through blue glass (Λ1 = 4 • 10-7 m). Find the distance between adjacent blue stripes. Assume that the shape of the film does not change during observation.

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