At slit width of 30 microns in the direction normal to the surface of white light falls. The spectrum is projected onto the screen by a lens with a focal length of 195 cm. Determine the length of the spectrum tenth order (in centimeters), if the boundary of the spectrum of visible light to take lie between 400 nm and 780 nm.

Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.

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