cse • paper_1 • waves_oscillationscse-1998-subject-02-007
Resolving power — UPSC CSE 1998 Physics PYQ
Buy PYQ Solution Manual →Define dispersive and resolving powers of a plane transmission grating and obtain expressions for the two. Show that the first and second order spectra produced by such a grating will never overlap when the incident light contains wave-lengths in the range 4000\text{\AA} to 7000\text{\AA}.
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