A Single Slit $1400 \mathrm {~nm}$ Wide, Forms a Diffraction Pattern When Illuminated by Monochromatic Light

question 138

Multiple Choice

A single slit, $1400 \mathrm {~nm}$ wide, forms a diffraction pattern when illuminated by monochromatic light of $490 - n m$ wavelength. What is the largest angle from the central maximum at which the intensity of the light is zero?

• A) \(35 ^ { \circ }\)
• B) \(44 ^ { \circ }\)
• C) \(32 ^ { \circ }\)
• D) \(38 ^ { \circ }\)
• E) \(41 ^ { \circ }\)

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