cse • paper_1 • waves_oscillationscse-1988-subject-02-008
Resolving power — UPSC CSE 1988 Physics PYQ
Buy PYQ Solution Manual →The above expression shows that, for given W, \theta and \lambda, the resolving power is independent of number of grooves on the grating. Why do most diffraction gratings have several hundred grooves per mm?
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