How Wide Must a Narrow Slit Be If the First

question 32

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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