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A beam of light consists of two waveleng...

A beam of light consists of two wavelengths, `6300Å and 5600Å`. This beam of light is used to obtain an interference pattern in YDSE. If `4^("th")` bright fringe of `6300Å` coincides with the `n^("th")` dark fringe of `5600Å` from the central line, then find the value of n.

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