Question: When laser light is passed through two narrow slits separated by 1 5 9 m , an interference pattern is observed on a screen 1

When laser light is passed through two narrow slits separated by 159m, an interference pattern is observed on a screen 1.58 m away. The distance between the central spot and the first-order constructive interference is found to be 4.9 mm. Find the wavelength of the laser light, in nanometers.

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