What Slit Separation Would a Grating Have to Produce a First-Order

question 19

Multiple Choice

What slit separation would a grating have to produce a first-order maximum at an angle of 40.0 $^{\circ}$ for a wavelength of 589 nm?

• A) 109 nm
• B) 690 nm
• C) 378 nm
• D) 458 nm
• E) 916 nm

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