How Wide Must a Narrow Slit Be If the First $\pm$

question 8

Multiple Choice

How wide must a narrow slit be if the first diffraction minimum occurs at $\pm$ 12 $\degree$ 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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