Using Monochromatic Light of 410 Nm Wavelength,a Single Thin Slit

question 61

Multiple Choice

Using monochromatic light of 410 nm wavelength,a single thin slit forms a diffraction pattern,with the first minimum at an angle of 40.0° from central maximum.The same slit,when illuminated by a new monochromatic light source,produces a diffraction pattern with the second minimum at a 60.0° angle from the central maximum.What is the wavelength of this new light?

• A)276 nm
• B)293 nm
• C)309 nm
• D)326 nm
• E)342 nm

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