A multiple slit diffraction grating has a slit separation of 2.00 × 10^-6 m. Find the wavelength of the monochromatic light that will have its second order (m = 2) bright fringe diffracted through an angle of 43.4°. (1 nm = 10-9 m)

a. 616 nm
c. 687 nm
b. 500 nm
d. 120 nm


C

Physics & Space Science

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