If a diffraction grating produces a third-order bright spot for red light (of wavelength 700 nm) at 65.0 from the central maximum, at what angle will the second-order bright spot be for violet light (of wavelength 400 nm)?
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If a diffraction grating produces a third-order bright spot for red light
(of wavelength 700 nm) at 65.0 from the central maximum, at what angle
will the second-order bright spot be for violet light (of wavelength 400 nm)?
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