Solving a problem in physics section 42 point 23 optics

Solving a problem in physics section 42 point 23 optics

23. Determine the radius of the first Fresnel zone, if the distance from a point source of light (λ = 0,5 mm) to the zone plate and from the plate to the point of observation a = b = 1 m.

Additional information:

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

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