cse • paper_1 • waves_oscillationscse-1992-subject-02-005
Diffraction grating — UPSC CSE 1992 Physics PYQ
Buy PYQ Solution Manual →A diffraction grating with 3 \times 10^4 lines is used in the second order in the range of wavelength 6000\text{\AA}. Find the smallest \Delta\lambda it can resolve.
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