A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?
(A) 500 mm
(B) 5 x 10-3 mm
(C) 2 x 10-5 mm
(D) 2 x 10-3 mm
A diffraction grating has 500 lines per mm. Its slit spacing or grating element will be equal to ____________________?
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