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Q137. A diffraction grating has 500 lines per mm. Its slit spacing, or grating element, will be equal to:

Physics — Nust Mock By Dogers 1 — Question 137 of 200

A. 500 mm
B. 5 × 10-3 mm
C. 2 × 10-5 mm
D. 2 × 10-3 mm

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A diffraction grating has 500 lines per mm. Its slit sp... | Physics MCQ #137 | Examora | Examora