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Here is the problem which I am struggling on, please help me, and solve the given part of problem:

Problem: Coherent light from a sodium-vapor lamp is passed through a filter that blocks everything except for light of a single wavelength. It then falls on two slits separated by 0.510mm. In the resulting interference pattern on a screen 2.30m away, adjacent bright fringes are separated by 2.74 mm.

Part I: What is the wavelength of the light that falls on the slits?

__________nm

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Reference No.:- M91230860

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