Question: Suppose a wedge-shaped air film is made between two sheets of glass, with a piece of paper 7.618 10 -5 m thick used as

Suppose a wedge-shaped air film is made between two sheets of glass, with a piece of paper 7.618 × 10^-5 m thick used as the spacer at their very ends. If light of wavelength 500 nm comes down from directly above, determine the number of bright fringes that will be seen across the wedge.

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