Solving a problem in physics section 2 point 13 optics

Solving a problem in physics section 2 point 13 optics

13. In the experiment with mirrors Fresnel distance d between the virtual image of the light source is 0.5 mm, the distance ℓ from them to the screen is 3 m. The wavelength λ = 0,6 m. Determine the width of △ x of the interference fringes on the screen.

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Detailed solution. Decorated in Microsoft Word 2003. (Target decided to use formula editor)