How Wide Must a Narrow Slit Be If the First

question 44

Multiple Choice

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

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