How wide must a narrow slit be if the first diffraction minimum occurs at ±12° with laser light of 633 nm?

A. 3.0 × 10?6 m
B. 3.0 × 10?5 m
C. 6.1 × 10?6 m
D. 6 .1× 10?5 m
E. 1.5 × 10?6 m


Answer: A

Physics & Space Science

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