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Light with wavelength 500 nm passes through a diffraction grating with a spacing of 1 μm...

Light with wavelength 500 nm passes through a diffraction grating with a spacing of 1 μm between adjacent openings in the grating. The light is projected on a screen 2 m away. At what angle is the first point of constructive interference observed, not counting the central maximum?

A) 0.52 radians

B) 1.57 radians

C) 0.64 radians

D) 0.50 radians

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