79. Search for Fabry - Perot thickness d = 2,5 cm: a) the maximum order of the interference of light with a wavelength λ = 0,50 m; b) dispersion region Δλ t. e. the spectral wavelength range, for which there is no overlap with other orders of interference, viewed near λ = 0,50 m.

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