Solving a problem in physics section 51 point 68 optics

Solving a problem in physics section 51 point 68 optics

68. A plane light wave with a wavelength of 0.6 microns is normally incident on the diaphragm with a circular hole with a diameter of 1 cm. Determine the distance from the observation point to the hole if the hole opens: 1) two Fresnel zone; 2) Three of the Fresnel zone.

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